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(TBC) Summary for 4.99.0 tcpdump release Improve the contents, wording and formatting of the man page. Print unsupported link-layer protocol packets in hex. Add support for new network protocols and DLTs: Arista, Autosar SOME/IP, Broadcom LI and Ethernet switches tag, IEEE 802.15.9, IP-over-InfiniBand (IPoIB), Linux SLL2, Linux vsockmon, MACsec, Marvell Distributed Switch Architecture, OpenFlow 1.3, Precision Time Protocol (PTP), SSH, WHOIS, ZigBee Encapsulation Protocol (ZEP). Make protocol-specific updates for: AH, DHCP, DNS, ESP, FRF.16, HNCP, ICMP6, IEEE 802.15.4, IPv6, IS-IS, Linux SLL, LLDP, LSP ping, MPTCP, NFS, NSH, NTP, OSPF, OSPF6, PGM, PIM, PPTP, RADIUS, RSVP, Rx, SMB, UDLD, VXLAN-GPE. User interface: Make SLL2 the default for Linux "any" pseudo-device. Add --micro and --nano shorthands. Add --count to print a counter only instead of decoding. Add --print, to cause packet printing even with -w. Add support for remote capture if libpcap supports it. Display the "wireless" flag and connection status. Flush the output packet buffer on a SIGUSR2. Add the snapshot length to the "reading from file ..." message. Fix local time printing (DST offset in timestamps). Allow -C arguments > 2^31-1 GB if they can fit into a long. Handle very large -f files by rejecting them. Report periodic stats only when safe to do so. Print the number of packets captured only as often as necessary. With no -s, or with -s 0, don't specify the snapshot length with newer versions of libpcap. Improve version and usage message printing. Building and testing: Install into bindir, not sbindir. autoconf: replace --with-system-libpcap with --disable-local-libpcap. Require the compiler to support C99. Better detect and use various C compilers and their features. Add CMake as the second build system. Make out-of-tree builds more reliable. Use pkg-config to detect libpcap if available. Improve Windows support. Add more tests and improve the scripts that run them. Test both with "normal" and "x87" floating-point. Eliminate dependency on libdnet. FreeBSD: Print a proper error message about monitor mode VAP. Use libcasper if available. Fix failure to capture on RDMA device. Include the correct capsicum header. Source code: Start the transition to longjmp() for packet truncation handling. Introduce new helper functions, including GET_*(), nd_print_protocol(), nd_print_invalid(), nd_print_trunc(), nd_trunc_longjmp() and others. Put integer signedness right in many cases. Introduce nd_uint*, nd_mac_addr, nd_ipv4 and nd_ipv6 types to fix alignment issues, especially on SPARC. Fix many C compiler, Coverity, UBSan and cppcheck warnings. Fix issues detected with AddressSanitizer. Remove many workarounds for older compilers and OSes. Add a sanity check on packet header length. Add and remove plenty of bounds checks. Clean up pcap_findalldevs() call to find the first interface. Use a short timeout, rather than immediate mode, for text output. Handle DLT_ENC files *not* written on the same OS and byte-order host. Add, and use, macros to do locale-independent case mapping. Use a table instead of getprotobynumber(). Get rid of ND_UNALIGNED and ND_TCHECK(). Make roundup2() generally available. Resync SMI list against Wireshark. Fix many typos. Friday, September 20, 2019, by mcr@sandelman.ca A huge thank you to Denis, Francois-Xavier and Guy who did much of the heavy lifting. Summary for 4.9.3 tcpdump release Fix buffer overflow/overread vulnerabilities: CVE-2017-16808 (AoE) CVE-2018-14468 (FrameRelay) CVE-2018-14469 (IKEv1) CVE-2018-14470 (BABEL) CVE-2018-14466 (AFS/RX) CVE-2018-14461 (LDP) CVE-2018-14462 (ICMP) CVE-2018-14465 (RSVP) CVE-2018-14881 (BGP) CVE-2018-14464 (LMP) CVE-2018-14463 (VRRP) CVE-2018-14467 (BGP) CVE-2018-10103 (SMB - partially fixed, but SMB printing disabled) CVE-2018-10105 (SMB - too unreliably reproduced, SMB printing disabled) CVE-2018-14880 (OSPF6) CVE-2018-16451 (SMB) CVE-2018-14882 (RPL) CVE-2018-16227 (802.11) CVE-2018-16229 (DCCP) CVE-2018-16301 (was fixed in libpcap) CVE-2018-16230 (BGP) CVE-2018-16452 (SMB) CVE-2018-16300 (BGP) CVE-2018-16228 (HNCP) CVE-2019-15166 (LMP) CVE-2019-15167 (VRRP) Fix for cmdline argument/local issues: CVE-2018-14879 (tcpdump -V) Sunday September 3, 2017 denis@ovsienko.info Summary for 4.9.2 tcpdump release Do not use getprotobynumber() for protocol name resolution. Do not do any protocol name resolution if -n is specified. Improve errors detection in the test scripts. Fix a segfault with OpenSSL 1.1 and improve OpenSSL usage. Clean up IS-IS printing. Fix buffer overflow vulnerabilities: CVE-2017-11543 (SLIP) CVE-2017-13011 (bittok2str_internal) Fix infinite loop vulnerabilities: CVE-2017-12989 (RESP) CVE-2017-12990 (ISAKMP) CVE-2017-12995 (DNS) CVE-2017-12997 (LLDP) Fix buffer over-read vulnerabilities: CVE-2017-11541 (safeputs) CVE-2017-11542 (PIMv1) CVE-2017-12893 (SMB/CIFS) CVE-2017-12894 (lookup_bytestring) CVE-2017-12895 (ICMP) CVE-2017-12896 (ISAKMP) CVE-2017-12897 (ISO CLNS) CVE-2017-12898 (NFS) CVE-2017-12899 (DECnet) CVE-2017-12900 (tok2strbuf) CVE-2017-12901 (EIGRP) CVE-2017-12902 (Zephyr) CVE-2017-12985 (IPv6) CVE-2017-12986 (IPv6 routing headers) CVE-2017-12987 (IEEE 802.11) CVE-2017-12988 (telnet) CVE-2017-12991 (BGP) CVE-2017-12992 (RIPng) CVE-2017-12993 (Juniper) CVE-2017-12994 (BGP) CVE-2017-12996 (PIMv2) CVE-2017-12998 (ISO IS-IS) CVE-2017-12999 (ISO IS-IS) CVE-2017-13000 (IEEE 802.15.4) CVE-2017-13001 (NFS) CVE-2017-13002 (AODV) CVE-2017-13003 (LMP) CVE-2017-13004 (Juniper) CVE-2017-13005 (NFS) CVE-2017-13006 (L2TP) CVE-2017-13007 (Apple PKTAP) CVE-2017-13008 (IEEE 802.11) CVE-2017-13009 (IPv6 mobility) CVE-2017-13010 (BEEP) CVE-2017-13012 (ICMP) CVE-2017-13013 (ARP) CVE-2017-13014 (White Board) CVE-2017-13015 (EAP) CVE-2017-11543 (SLIP) CVE-2017-13016 (ISO ES-IS) CVE-2017-13017 (DHCPv6) CVE-2017-13018 (PGM) CVE-2017-13019 (PGM) CVE-2017-13020 (VTP) CVE-2017-13021 (ICMPv6) CVE-2017-13022 (IP) CVE-2017-13023 (IPv6 mobility) CVE-2017-13024 (IPv6 mobility) CVE-2017-13025 (IPv6 mobility) CVE-2017-13026 (ISO IS-IS) CVE-2017-13027 (LLDP) CVE-2017-13028 (BOOTP) CVE-2017-13029 (PPP) CVE-2017-13030 (PIM) CVE-2017-13031 (IPv6 fragmentation header) CVE-2017-13032 (RADIUS) CVE-2017-13033 (VTP) CVE-2017-13034 (PGM) CVE-2017-13035 (ISO IS-IS) CVE-2017-13036 (OSPFv3) CVE-2017-13037 (IP) CVE-2017-13038 (PPP) CVE-2017-13039 (ISAKMP) CVE-2017-13040 (MPTCP) CVE-2017-13041 (ICMPv6) CVE-2017-13042 (HNCP) CVE-2017-13043 (BGP) CVE-2017-13044 (HNCP) CVE-2017-13045 (VQP) CVE-2017-13046 (BGP) CVE-2017-13047 (ISO ES-IS) CVE-2017-13048 (RSVP) CVE-2017-13049 (Rx) CVE-2017-13050 (RPKI-Router) CVE-2017-13051 (RSVP) CVE-2017-13052 (CFM) CVE-2017-13053 (BGP) CVE-2017-13054 (LLDP) CVE-2017-13055 (ISO IS-IS) CVE-2017-13687 (Cisco HDLC) CVE-2017-13688 (OLSR) CVE-2017-13689 (IKEv1) CVE-2017-13690 (IKEv2) CVE-2017-13725 (IPv6 routing headers) Sunday July 23, 2017 denis@ovsienko.info Summary for 4.9.1 tcpdump release CVE-2017-11108/Fix bounds checking for STP. Make assorted documentation updates and fix a few typos in tcpdump output. Fixup -C for file size >2GB (GH #488). Show AddressSanitizer presence in version output. Fix a bug in test scripts (exposed in GH #613). On FreeBSD adjust Capsicum capabilities for netmap. On Linux fix a use-after-free when the requested interface does not exist. Wednesday January 18, 2017 devel.fx.lebail@orange.fr Summary for 4.9.0 tcpdump release General updates: Fix some heap overflows found with American Fuzzy Lop by Hanno Boeck and others (More information in the log with CVE-2016-* and CVE-2017-*) Change the way protocols print link-layer addresses (Fix heap overflows in CALM-FAST and GeoNetworking printers) Pass correct caplen value to ether_print() and some other functions Fix lookup_nsap() to match what isonsap_string() expects Clean up relative time stamp printing (Fix an array overflow) Fix some alignment issues with GCC on Solaris 10 SPARC Add some ND_TTEST_/ND_TCHECK_ macros to simplify writing bounds checks Add a fn_printztn() which returns the number of bytes processed Add nd_init() and nd_cleanup() functions. Improve libsmi support Add CONTRIBUTING file Add a summary comment in all printers Compile with more warning options in devel mode if supported (-Wcast-qual, ...) Fix some leaks found by Valgrind/Memcheck Fix a bunch of de-constifications Squelch some Coverity warnings and some compiler warnings Update Coverity and Travis-CI setup Update Visual Studio files Frontend: Fix capsicum support to work with zerocopy buffers in bpf Try opening interfaces by name first, then by name-as-index Work around pcap_create() failures fetching time stamp type lists Fix a segmentation fault with 'tcpdump -J' Improve addrtostr6() bounds checking Add exit_tcpdump() function Don't drop CAP_SYS_CHROOT before chrooting Fixes issue where statistics not reported when -G and -W options used Updated printers: 802.11: Beginnings of 11ac radiotap support 802.11: Check the Protected bit for management frames 802.11: Do bounds checking on last_presentp before dereferencing it (Fix a heap overflow) 802.11: Fix the radiotap printer to handle the special bits correctly 802.11: If we have the MCS field, it's 11n 802.11: Only print unknown frame type or subtype messages once 802.11: Radiotap dBm values get printed as dB; Update a test output accordingly 802.11: Source and destination addresses were backwards AH: Add a bounds check AH: Report to our caller that dissection failed if a bounds check fails AP1394: Print src > dst, not dst > src ARP: Don't assume the target hardware address is <= 6 octets long (Fix a heap overflow) ATALK: Add bounds and length checks (Fix heap overflows) ATM: Add some bounds checks (Fix a heap overflow) ATM: Fix an incorrect bounds check BFD: Update specification from draft to RFC 5880 BFD: Update to print optional authentication field BGP: Add support for the AIGP attribute (RFC7311) BGP: Print LARGE_COMMUNITY Path Attribute BGP: Update BGP numbers from IANA; Print minor values for FSM notification BOOTP: Add a bounds check Babel: Add decoder for source-specific extension CDP: Filter out non-printable characters CFM: Fixes to match the IEEE standard, additional bounds and length checks CSLIP: Add more bounds checks (Fix a heap overflow) ClassicalIPoATM: Add a bounds check on LLC+SNAP header (Fix a heap overflow) DHCP: Fix MUDURL and TZ options DHCPv6: Process MUDURL and TZ options DHCPv6: Update Status Codes with RFCs/IANA names DNS: Represent the "DNSSEC OK" bit as "DO" instead of "OK". Add a test case DTP: Improve packet integrity checks EGP: Fix bounds checks ESP: Don't use OpenSSL_add_all_algorithms() in OpenSSL 1.1.0 or later Ethernet: Add some bounds checking before calling isoclns_print (Fix a heap overflow) Ethernet: Print the Length/Type field as length when needed FDDI: Fix -e output for FDDI FR: Add some packet-length checks and improve Q.933 printing (Fix heap overflows) GRE: Add some bounds checks (Fix heap overflows) Geneve: Fix error message with invalid option length; Update list option classes HNCP: Fix incorrect time interval format. Fix handling of IPv4 prefixes ICMP6: Fetch a 32-bit big-endian quantity with EXTRACT_32BITS() IGMP: Add a length check IP: Add a bounds check (Fix a heap overflow) IP: Check before fetching the protocol version (Fix a heap overflow) IP: Don't try to dissect if IP version != 4 (Fix a heap overflow) IP: Stop processing IPPROTO_ values once we hit IPPROTO_IPCOMP IPComp: Check whether we have the CPI before we fetch it (Fix a heap overflow) IPoFC: Fix -e output (IP-over-Fibre Channel) IPv6: Don't overwrite the destination IPv6 address for routing headers IPv6: Fix header printing IPv6: Stop processing IPPROTO_ values once we hit IPPROTO_IPCOMP ISAKMP: Clean up parsing of IKEv2 Security Associations ISOCLNS/IS-IS: Add support for Purge Originator Identifier (RFC6232) and test cases ISOCLNS/IS-IS: Don't overwrite packet data when checking the signature ISOCLNS/IS-IS: Filter out non-printable characters ISOCLNS/IS-IS: Fix segmentation faults ISOCLNS/IS-IS: Have signature_verify() do the copying and clearing ISOCLNS: Add some bounds checks Juniper: Make sure a Juniper header TLV isn't bigger than what's left in the packet (Fix a heap overflow) LLC/SNAP: With -e, print the LLC header before the SNAP header; without it, cut the SNAP header LLC: Add a bounds check (Fix a heap overflow) LLC: Clean up printing of LLC packets LLC: Fix the printing of RFC 948-style IP packets LLC: Skip the LLC and SNAP headers with -x for 802.11 and some other protocols LLDP: Implement IANA OUI and LLDP MUD option MPLS LSP ping: Update printing for RFC 4379, bug fixes, more bounds checks MPLS: "length" is now the *remaining* packet length MPLS: Add bounds and length checks (Fix a heap overflow) NFS: Don't assume the ONC RPC header is nicely aligned NFS: Don't overflow the Opaque_Handle buffer (Fix a segmentation fault) NFS: Don't run past the end of an NFSv3 file handle OLSR: Add a test to cover a HNA sgw case OLSR: Fix 'Advertised networks' count OLSR: Fix printing of smart-gateway HNAs in IPv4 OSPF: Add a bounds check for the Hello packet options OSPF: Do more bounds checking OSPF: Fix a segmentation fault OSPF: Fix printing 'ospf_topology_values' default OTV: Add missing bounds checks PGM: Print the formatted IP address, not the raw binary address, as a string PIM: Add some bounds checking (Fix a heap overflow) PIMv2: Fix checksumming of Register messages PPP: Add some bounds checks (Fix a heap overflow) PPP: Report invalid PAP AACK/ANAK packets Q.933: Add a missing bounds check RADIUS: Add Value 13 "VLAN" to Tunnel-Type attribute RADIUS: Filter out non-printable characters RADIUS: Translate UDP/1700 as RADIUS RESP: Do better checking of RESP packets RPKI-RTR: Add a return value check for "fn_printn" call RPKI-RTR: Remove printing when truncated condition already detected RPL: Fix 'Consistency Check' control code RPL: Fix suboption print RSVP: An INTEGRITY object in a submessage covers only the submessage RSVP: Fix an infinite loop; Add bounds and length checks RSVP: Fix some if statements missing brackets RSVP: Have signature_verify() do the copying and clearing RTCP: Add some bounds checks RTP: Add some bounds checks, fix two segmentation faults SCTP: Do more bounds checking SFLOW: Fix bounds checking SLOW: Fix bugs, add checks SMB: Before fetching the flags2 field, make sure we have it SMB: Do bounds checks on NBNS resource types and resource data lengths SNMP: Clean up the "have libsmi but no modules loaded" case SNMP: Clean up the object abbreviation list and fix the code to match them SNMP: Do bounds checks when printing character and octet strings SNMP: Improve ASN.1 bounds checks SNMP: More bounds and length checks STP: Add a bunch of bounds checks, and fix some printing (Fix heap overflows) STP: Filter out non-printable characters TCP: Add bounds and length checks for packets with TCP option 20 TCP: Correct TCP option Kind value for TCP Auth and add SCPS-TP TCP: Fix two bounds checks (Fix heap overflows) TCP: Make sure we have the data offset field before fetching it (Fix a heap overflow) TCP: Put TCP-AO option decoding right TFTP: Don't use strchr() to scan packet data (Fix a heap overflow) Telnet: Add some bounds checks TokenRing: Fix -e output UDLD: Fix an infinite loop UDP: Add a bounds check (Fix a heap overflow) UDP: Check against the packet length first VAT: Add some bounds checks VTP: Add a test on Mgmt Domain Name length VTP: Add bounds checks and filter out non-printable characters VXLAN: Add a bound check and a test case ZeroMQ: Fix an infinite loop Tuesday October 25, 2016 mcr@sandelman.ca Summary for 4.8.1 tcpdump release Fix "-x" for Apple PKTAP and PPI packets Improve separation frontend/backend (tcpdump/libnetdissect) Fix display of timestamps with -tt, -ttt and -ttttt options Add support for the Marvell Extended Distributed Switch Architecture header Use PRIx64 to print a 64-bit number in hex. Printer for HNCP (RFCs 7787 and 7788). dagid is always an IPv6 address, not an opaque 128-bit string, and other fixes to RPL printer. RSVP: Add bounds and length checks OSPF: Do more bounds checking Handle OpenSSL 1.1.x. Initial support for the REdis Serialization Protocol known as RESP. Add printing function for Generic Protocol Extension for VXLAN draft-ietf-nvo3-vxlan-gpe-01 Network Service Header: draft-ietf-sfc-nsh-01 Don't recompile the filter if the new file has the same DLT. Pass an adjusted struct pcap_pkthdr to the sub-printer. Add three test cases for already fixed CVEs CVE-2014-8767: OLSR CVE-2014-8768: Geonet CVE-2014-8769: AODV Don't do the DDP-over-UDP heuristic first: GitHub issue #499. Use the new debugging routines in libpcap. Harmonize TCP source or destination ports tests with UDP ones Introduce data types to use for integral values in packet structures. RSVP: Fix an infinite loop Support of Type 3 and Type 4 LISP packets. Don't require IPv6 library support in order to support IPv6 addresses. Many many changes to support libnetdissect usage. Add a test that makes unaligned accesses: GitHub issue #478. add a DNSSEC test case: GH #445 and GH #467. BGP: add decoding of ADD-PATH capability fixes to LLC header printing, and RFC948-style IP packets Friday April 10, 2015 guy@alum.mit.edu Summary for 4.7.4 tcpdump release RPKI to Router Protocol: Fix Segmentation Faults and other problems RPKI to Router Protocol: print strings with fn_printn() wb: fix some bounds checks Wednesday March 11, 2015 mcr@sandelman.ca Summary for 4.7.3 tcpdump release Capsicum fixes for FreeBSD 10 Tuesday March 10, 2015 mcr@sandelman.ca Summary for 4.7.2 tcpdump release DCCP: update Packet Types with RFC4340/IANA names fixes for CVE-2015-0261: IPv6 mobility header check issue fixes for CVE-2015-2153, 2154, 2155: kday packets Friday Nov. 12, 2014 guy@alum.mit.edu Summary for 4.7.0 tcpdump release changes to hex printing of CDP packets Fix PPI printing Radius: update Packet Type Codes and Attribute Types with RFC/IANA names Add a routine to print "text protocols", and add FTP/HTTP/SMTP/RTSP support. improvements to telnet printer, even if not -v omit length for bcp, print-tcp uses it formatting fixes for a bunch of protocols new bounds checks for a number of protocols split netflow 1,6, and 6 dissector up. added geneve dissector CVE-2014-9140 PPP dissector fixed. Tuesday Sep. 2, 2014 mcr@sandelman.ca Summary for 4.6.2 tcpdump release fix out-of-source-tree builds: find libpcap that is out of source better configure check for libsmi Saturday Jul. 19, 2014 mcr@sandelman.ca Summary for 4.6.1 tcpdump release added FreeBSD capsicum add a short option '#', same as long option '--number' Wednesday Jul. 2, 2014 mcr@sandelman.ca Summary for 4.6.0 tcpdump release all of tcpdump is now using the new "NDO" code base (Thanks Denis!) nflog, mobile, forces, pptp, AODV, AHCP, IPv6, OSPFv4, RPL, DHCPv6 enhancements/fixes M3UA decode added. many new test cases: 82 in 4.5.1 to 133 in 4.6.0 many improvements to travis continuous integration system: OSX, and Coverity options cleaned up some unnecessary header files Added bittok2str(). a number of unaligned access faults fixed -A flag does not consider CR to be printable anymore fx.lebail took over coverity baby sitting default snapshot size increased to 256K for accommodate USB captures WARNING: this release contains a lot of very worthwhile code churn. Wednesday Jan. 15, 2014 guy@alum.mit.edu Summary for 4.5.2 tcpdump release Man page fix Fix crashes on SPARC Monday Nov. 11, 2013 mcr@sandelman.ca Summary for 4.5.1 tcpdump release CREDITS file fixes Thursday Nov. 7, 2013 mcr@sandelman.ca and guy@alum.mit.edu. Summary for 4.5.0 tcpdump release some NFSv4 fixes for printing fix printing of unknown TCP options, and tcp fast-open fixes for syslog parser some gcc-version-specific flag tuning adopt MacOS deprecation workarounds for openssl improvements to babel printing add OpenFlow 1.0 (no SSL) and test cases GeoNet printer. added STBC Rx support improvements to DHCPv6 decoder clarify which autoconf is needed Point users to the the-tcpdump-group repository on GitHub rather than the mcr repository Add MSDP printer. Fixed IPv6 check on Solaris and other OSes requiring extra networking libraries. Add support for VXLAN (draft-mahalingam-dutt-dcops-vxlan-03), and add "vxlan" as an option for -T. Add support for OTV (draft-hasmit-otv-04). fixes for DLT_IEEE802_11_RADIO datalink types added MPTCP decoder Saturday April 6, 2013 guy@alum.mit.edu. Summary for 4.4.0 tcpdump release RPKI-RTR (RFC6810) is now official (TCP Port 323) Fix detection of OpenSSL libcrypto. Add DNSSL (RFC6106) support. Add "radius" as an option for -T. Update Action codes for handle_action function according to 802.11s amendment. Decode DHCPv6 AFTR-Name option (RFC6334). Updates for Babel. Fix printing of infinite lifetime in ICMPv6. Added support for SPB, SPBM Service Identifier, and Unicast Address sub-TLV in ISIS. Decode RIPv2 authentication up to RFC4822. Fix RIP Request/full table decoding issues. On Linux systems with cap-ng.h, drop root privileges using Linux Capabilities. Add support for reading multiple files. Add MS NLB heartbeat printer. Separate multiple nexthops in BGP. Wednesday November 28, 2012 guy@alum.mit.edu. Summary for 4.3.1 tcpdump release Print "LLDP, length N" for LLDP packets even when not in verbose mode, so something is printed even if only the timestamp is present Document "-T carp" Print NTP poll interval correctly (it's an exponent, so print both its raw value and 2^value) Document that "-e" is used to get MAC addresses More clearly document that you need to escape or quote backslashes in filter expressions on the command line Fix some "the the" in the man page Use the right maximum path length Don't treat 192_1_2, when passed to -i, as an interface number Friday April 3, 2012. mcr@sandelman.ca. Summary for 4.3.0 tcpdump release fixes for forces: SPARSE data (per RFC 5810) some more test cases added updates to documentation on -l, -U and -w flags. Fix printing of BGP optional headers. Tried to include DLT_PFSYNC support, failed due to headers required. added TIPC support. Fix LLDP Network Policy bit definitions. fixes for IGMPv3's Max Response Time: it is in units of 0.1 second. SIGUSR1 can be used rather than SIGINFO for stats permit -n flag to affect print-ip for protocol numbers ND_OPT_ADVINTERVAL is in milliseconds, not seconds Teach PPPoE parser about RFC 4638 Friday December 9, 2011. guy@alum.mit.edu. Summary for 4.2.1 tcpdump release Only build the Babel printer if IPv6 is enabled. Support Babel on port 6696 as well as 6697. Include ppi.h in release tarball. Include all the test files in the release tarball, and don't "include" test files that no longer exist. Don't assume we have <rpc/rpc.h> - check for it. Support "-T carp" as a way of dissecting IP protocol 112 as CARP rather than VRRP. Support Hilscher NetAnalyzer link-layer header format. Constify some pointers and fix compiler warnings. Get rid of never-true test. Fix an unintended fall-through in a case statement in the ARP printer. Fix several cases where sizeof(sizeof(XXX)) was used when just sizeof(XXX) was intended. Make stricter sanity checks in the ES-IS printer. Get rid of some GCCisms that caused builds to fai with compilers that don't support them. Fix typo in man page. Added length checks to Babel printer. Sunday July 24, 2011. mcr@sandelman.ca. Summary for 4.2.+ merged 802.15.4 decoder from Dmitry Eremin-Solenikov <dbaryshkov at gmail dot com> updates to forces for new port numbers Use "-H", not "-h", for the 802.11s option. (-h always help) Better ICMPv6 checksum handling. add support for the RPKI/Router Protocol, per -ietf-sidr-rpki-rtr-12 get rid of uuencoded pcap test files, git can do binary. sFlow changes for 64-bit counters. fixes for PPI packet header handling and printing. Add DCB Exchange protocol (DCBX) version 1.01. Babel dissector, from Juliusz Chroboczek and Grégoire Henry. improvements to radiotap for rate values > 127. Many improvements to ForCES decode, including fix SCTP TML port updated RPL type code to RPL-17 draft Improve printout of DHCPv6 options. added support and test case for QinQ (802.1q VLAN) packets Handle DLT_IEEE802_15_4_NOFCS like DLT_IEEE802_15_4. Build fixes for Sparc and other machines with alignment restrictions. Merged changes from Debian package. PGM: Add ACK decoding and add PGMCC DATA and FEEDBACK options. Build fixes for OSX (Snow Leopard and others) Add support for IEEE 802.15.4 packets Tue. July 20, 2010. guy@alum.mit.edu. Summary for 4.1.2 tcpdump release If -U is specified, flush the file after creating it, so it's not zero-length Fix TCP flags output description, and some typos, in the man page Add a -h flag, and only attempt to recognize 802.11s mesh headers if it's set When printing the link-layer type list, send *all* output to stderr Include the CFLAGS setting when configure was run in the compiler flags Thu. April 1, 2010. guy@alum.mit.edu. Summary for 4.1.1 tcpdump release Fix build on systems with PF, such as FreeBSD and OpenBSD. Don't blow up if a zero-length link-layer address is passed to linkaddr_string(). Thu. March 11, 2010. ken@netfunctional.ca/guy@alum.mit.edu. Summary for 4.1.0 tcpdump release Fix printing of MAC addresses for VLAN frames with a length field Add some additional bounds checks and use the EXTRACT_ macros more Add a -b flag to print the AS number in BGP packets in ASDOT notation rather than ASPLAIN notation Add ICMPv6 RFC 5006 support Decode the access flags in NFS access requests Handle the new DLT_ for memory-mapped USB captures on Linux Make the default snapshot (-s) the maximum Print name of device (when -L is used) Support for OpenSolaris (and SXCE build 125 and later) Print new TCP flags Add support for RPL DIO Add support for TCP User Timeout (UTO) Add support for non-standard Ethertypes used by 3com PPPoE gear Add support for 802.11n and 802.11s Add support for Transparent Ethernet Bridge ethertype in GRE Add 4 byte AS support for BGP printer Add support for the MDT SAFI 66 BG printer Add basic IPv6 support to print-olsr Add USB printer Add printer for ForCES Handle frames with an FCS Handle 802.11n Control Wrapper, Block Acq Req and Block Ack frames Fix TCP sequence number printing Report 802.2 packets as 802.2 instead of 802.3 Don't include -L/usr/lib in LDFLAGS On x86_64 Linux, look in lib64 directory too Lots of code clean ups Autoconf clean ups Update testcases to make output changes Fix compiling with/out smi (--with{,out}-smi) Fix compiling without IPv6 support (--disable-ipv6) Mon. October 27, 2008. ken@netfunctional.ca. Summary for 4.0.0 tcpdump release Add support for Bluetooth Sniffing Add support for Realtek Remote Control Protocol (openrrcp.org.ru) Add support for 802.11 AVS Add support for SMB over TCP Add support for 4 byte BGP AS printing Add support for compiling on case-insensitive file systems Add support for ikev2 printing Update support for decoding AFS Update DHCPv6 printer Use newer libpcap API's (allows -B option on all platforms) Add -I to turn on monitor mode Bugfixes in lldp, lspping, dccp, ESP, NFS printers Cleanup unused files and various cruft Mon. September 10, 2007. ken@xelerance.com. Summary for 3.9.8 tcpdump release Rework ARP printer Rework OSPFv3 printer Add support for Frame-Relay ARP Decode DHCP Option 121 (RFC 3442 Classless Static Route) Decode DHCP Option 249 (MS Classless Static Route) the same as Option 121 TLV: Add support for Juniper .pcap extensions Print EGP header in new-world-order style Converted print-isakmp.c to NETDISSECT Moved AF specific stuff into af.h Test subsystem now table driven, and saves outputs and diffs to one place Require <net/pfvar.h> for pf definitions - allows reading of pflog formatted libpcap files on an OS other than where the file was generated Wed. July 23, 2007. mcr@xelerance.com. Summary for 3.9.7 libpcap release NFS: Print unsigned values as such. RX: parse safely. BGP: fixes for IPv6-less builds. 801.1ag: use standard codepoint. use /dev/bpf on systems with such a device. 802.11: print QoS data, avoid dissect of no-data frame, ignore padding. smb: make sure that we haven't gone past the end of the captured data. smb: squelch an uninitialized complaint from coverity. NFS: from NetBSD; don't interpret the reply as a possible NFS reply if it got MSG_DENIED. BGP: don't print TLV values that didn't fit, from www.digit-labs.org. revised INSTALL.txt about libpcap dependency. Wed. April 25, 2007. ken@xelerance.com. Summary for 3.9.6 tcpdump release Update man page to reflect changes to libpcap Changes to both TCP and IP Printer Output Fix a potential buffer overflow in the 802.11 printer Print basic info about a few more Cisco LAN protocols. mDNS cleanup ICMP MPLS rework of the extension code bugfix: use the correct codepoint for the OSPF simple text auth token entry, and use safeputs to print the password. Add support in pflog for additional values Add support for OIF RSVP Extensions UNI 1.0 Rev. 2 and additional RSVP objects Add support for the Message-id NACK c-type. Add support for 802.3ah loopback ctrl msg Add support for Multiple-STP as per 802.1s Add support for rapid-SPT as per 802.1w Add support for CFM Link-trace msg, Link-trace-Reply msg, Sender-ID tlv, private tlv, port, interface status Add support for unidirectional link detection as per https://tools.ietf.org/id/draft-foschiano-udld-02.txt Add support for the olsr protocol as per RFC 3626 plus the LQ extensions from olsr.org Add support for variable-length checksum in DCCP, as per section 9 of RFC 4340. Add support for per-VLAN spanning tree and per-VLAN rapid spanning tree Add support for Multiple-STP as per 802.1s Add support for the cisco propriatry 'dynamic trunking protocol' Add support for the cisco proprietary VTP protocol Update dhcp6 options table as per IETF standardization activities Tue. September 19, 2006. ken@xelerance.com. Summary for 3.9.5 tcpdump release Fix compiling on AIX (, at end of ENUM) Updated list of DNS RR typecodes Use local Ethernet defs on WIN32 Add support for Frame-Relay ARP Fixes for compiling under MSVC++ Add support for parsing Juniper .pcap files Add support for FRF.16 Multilink Frame-Relay (DLT_MFR) Rework the OSPFv3 printer Fix printing for 4.4BSD/NetBSD NFS Filehandles Add support for Cisco style NLPID encapsulation Add cisco prop. eigrp related, extended communities Add support for BGP signaled VPLS Cleanup the bootp printer Add support for PPP over Frame-Relay Add some bounds checking to the IP options code, and clean up the options output a bit. Add additional modp groups to ISAKMP printer Add support for Address-Withdraw and Label-Withdraw Msgs Add support for the BFD Discriminator TLV Fixes for 64bit compiling Add support for PIMv2 checksum verification Add support for further dissection of the IPCP Compression Option Add support for Cisco's proposed VQP protocol Add basic support for keyed authentication TCP option Lots of minor cosmetic changes to output printers Mon. September 19, 2005. ken@xelerance.com. Summary for 3.9.4 tcpdump release Decoder support for more Juniper link-layer types Fix a potential buffer overflow (although it can't occur in practice). Fix the handling of unknown management frame types in the 802.11 printer. Add FRF.16 support, fix various Frame Relay bugs. Add support for RSVP integrity objects, update fast-reroute object printer to latest spec. Clean up documentation of vlan filter expression, document mpls filter expression. Document new pppoed and pppoes filter expressions. Update diffserver-TE codepoints as per RFC 4124. Spelling fixes in ICMPv6. Don't require any fields other than flags to be present in IS-IS restart signaling TLVs, and only print the system ID in those TLVs as system IDs, not as node IDs. Support for DCCP. Tue. July 5, 2005. ken@xelerance.com. Summary for 3.9.3 tcpdump release Option to chroot() when dropping privs Fixes for compiling on nearly every platform, including improved 64bit support Many new testcases Support for sending packets Many compliation fixes on most platforms Fixes for recent version of GCC to eliminate warnings Improved Unicode support Decoders & DLT Changes, Updates and New: AES ESP support Juniper ATM, FRF.15, FRF.16, PPPoE, ML-FR, ML-PIC, ML-PPP, PL-PPP, LS-PIC GGSN,ES,MONITOR,SERVICES L2VPN Axent Raptor/Symantec Firewall TCP-MD5 (RFC 2385) ESP-in-UDP (RFC 3948) ATM OAM LMP, LMP Service Discovery IP over FC IP over IEEE 1394 BACnet MS/TP SS7 LDP over TCP LACP, MARKER as per 802.3ad PGM (RFC 3208) LSP-PING G.7041/Y.1303 Generic Framing Procedure EIGRP-IP, EIGRP-IPX ICMP6 Radio - via radiotap DHCPv6 HDLC over PPP Tue. March 30, 2004. mcr@sandelman.ottawa.on.ca. Summary for 3.8.3 release No changes from 3.8.2. Version bumped only to maintain consistency with libpcap 0.8.3. Mon. March 29, 2004. mcr@sandelman.ottawa.on.ca. Summary for 3.8.2 release Fixes for print-isakmp.c CVE: CAN-2004-0183, CAN-2004-0184 https://web.archive.org/web/20160328035955/https://www.rapid7.com/resources/advisories/R7-0017.jsp IP-over-IEEE1394 printing. some MINGW32 changes. updates for autoconf 2.5 fixes for print-aodv.c - check for too short packets formatting changes to print-ascii for hex output. check for too short packets: print-bgp.c, print-bootp.c, print-cdp.c, print-chdlc.c, print-domain.c, print-icmp.c, print-icmp6.c, print-ip.c, print-lwres.c, print-ospf.c, print-pim.c, print-ppp.c,print-pppoe.c, print-rsvp.c, print-wb.c print-ether.c - better handling of unknown types. print-isoclns.c - additional decoding of types. print-llc.c - strings for LLC names added. print-pfloc.c - various enhancements print-radius.c - better decoding to strings. Wed. November 12, 2003. mcr@sandelman.ottawa.on.ca. Summary for 3.8 release changed syntax of -E argument so that multiple SAs can be decrypted fixes for Digital Unix headers and Documentation __attribute__ fixes CDP changes from Terry Kennedy <terry@tmk.com>. IPv6 mobility updates from Kazushi Sugyo <sugyo@pb.jp.nec.com> Fixes for ASN.1 decoder for 2.100.3 forms. Added a count of packets received and processed to clarify numbers. Incorporated WinDUMP patches for Win32 builds. PPPoE payload length headers. Fixes for HP C compiler builds. Use new pcap_breakloop() and pcap_findalldevs() if we can. BGP output split into multiple lines. Fixes to 802.11 decoding. Fixes to PIM decoder. SuperH is a CPU that can't handle unaligned access. Many fixes for unaligned access work. Fixes to Frame-Relay decoder for Q.933/922 frames. Clarified when Solaris can do captures as non-root. Added tests/ subdir for examples/regression tests. New -U flag. -flush stdout after every packet New -A flag -print ascii only support for decoding IS-IS inside Cisco HDLC Frames more verbosity for tftp decoder mDNS decoder new BFD decoder cross compilation patches RFC 3561 AODV support. UDP/TCP pseudo-checksum properly for source-route options. sanitized all files to modified BSD license Add support for RFC 2625 IP-over-Fibre Channel. fixes for DECnet support. Support RFC 2684 bridging of Ethernet, 802.5 Token Ring, and FDDI. RFC 2684 encapsulation of BPDUs. Tuesday, February 25, 2003. fenner@research.att.com. 3.7.2 release Fixed infinite loop when parsing invalid isakmp packets. (reported by iDefense; already fixed in CVS) Fixed infinite loop when parsing invalid BGP packets. Fixed buffer overflow with certain invalid NFS packets. Pretty-print unprintable network names in 802.11 printer. Handle truncated nbp (appletalk) packets. Updated DHCPv6 printer to match draft-ietf-dhc-dhcpv6-22.txt Print IP protocol name even if we don't have a printer for it. Print IP protocol name or number for fragments. Print the whole MPLS label stack, not just the top label. Print request header and file handle for NFS v3 FSINFO and PATHCONF requests. Fix NFS packet truncation checks. Handle "old" DR-Priority and Bidir-Capable PIM HELLO options. Handle unknown RADIUS attributes properly. Fix an ASN.1 parsing error that would cause e.g. the OID 2.100.3 to be misrepresented as 4.20.3 . Monday, January 21, 2002. mcr@sandelman.ottawa.on.ca. Summary for 3.7 release keyword "ipx" added. Better OSI/802.2 support on Linux. IEEE 802.11 support, from clenahan@fortresstech.com, achirica@ttd.net. LLC SAP support for FDDI/token ring/RFC-1483 style ATM BXXP protocol was replaced by the BEEP protocol; improvements to SNAP demux. Changes to "any" interface documentation. Documentation on pcap_stats() counters. Fix a memory leak found by Miklos Szeredi - pcap_ether_aton(). Added MPLS encapsulation decoding per RFC3032. DNS dissector handles TKEY, TSIG and IXFR. adaptive SLIP interface patch from Igor Khristophorov <igor@atdot.org> SMB printing has much improved bounds checks OUI 0x0000f8 decoded as encapsulated ethernet for Cisco-custom bridging Zephyr support, from Nickolai Zeldovich <kolya@MIT.EDU>. Solaris - devices with digits in them. Stefan Hudson <hudson@mbay.net> IPX socket 0x85be is for Cisco EIGRP over IPX. Improvements to fragmented ESP handling. SCTP support from Armando L. Caro Jr. <acaro@mail.eecis.udel.edu> Linux ARPHDR_ATM support fixed. Added a "netbeui" keyword, which selects NetBEUI packets. IPv6 ND improvements, MobileIP dissector, 2292bis-02 for RA option. Handle ARPHDR_HDLC from Marcus Felipe Pereira <marcus@task.com.br>. Handle IPX socket 0x553 -> NetBIOS-over-IPX socket, "nwlink-dgm" Better Linux libc5 compat. BIND9 lwres dissector added. MIPS and SPARC get strict alignment macros (affects print-bgp.c) Apple LocalTalk LINKTYPE_ reserved. New time stamp formats documented. DHCP6 updated to draft-22.txt spec. ICMP types/codes now accept symbolic names. Add SIGINFO handler from LBL encrypted CIPE tunnels in IRIX, from Franz Schaefer <schaefer@mond.at>. now we are -Wstrict-prototype clean. NetBSD DLT_PPP_ETHER; adapted from Martin Husemann <martin@netbsd.org>. PPPoE dissector cleaned up. Support for LocalTalk hardware, from Uns Lider <unslider@miranda.org>. In dissector, now the caller prints the IP addresses rather than proto. cjclark@alum.mit.edu: print the IP proto for non-initial fragments. LLC frames with a DSAP and LSAP of 0xe0 are IPX frames. Linux cooked frames with a type value of LINUX_SLL_P_802_3 are IPX. captures on the "any" device won't be done in promiscuous mode Token Ring support on DLPI - Onno van der Linden <onno@simplex.nl> ARCNet support, from NetBSD. HSRP dissector, from Julian Cowley <julian@lava.net>. Handle (GRE-encapsulated) PPTP added -C option to rotate save file every optarg * 1,000,000 bytes. support for "vrrp" name - NetBSD, by Klaus Klein <kleink@netbsd.org>. PPTP support, from Motonori Shindo <mshindo@mshindo.net>. IS-IS over PPP support, from Hannes Gredler <hannes@juniper.net>. CNFP support for IPv6,format. Harry Raaymakers <harryr@connect.com.au>. ESP printing updated to RFC2406. HP-UX can now handle large number of PPAs. MSDP printer added. L2TP dissector improvements from Motonori Shindo. Tuesday January 9, 2001. mcr@sandelman.ottawa.on.ca. Summary for 3.6 release Cleaned up documentation. Promisc mode fixes for Linux IPsec changes/cleanups. Alignment fixes for picky architectures Removed dependency on native headers for packet dissectors. Removed Linux specific headers that were shipped libpcap changes provide for exchanging capture files between systems. Save files now have well known PACKET_ values instead of depending upon system dependent mappings of DLT_* types. Support for computing/checking IP and UDP/TCP checksums. Updated autoconf stock files. IPv6 improvements: dhcp (draft-15), mobile-ip6, ppp, ospf6, Added dissector support for: ISOCLNS, Token Ring, IGMPv3, bxxp, timed, vrrp, radius, chdlc, cnfp, cdp, IEEE802.1d, raw-AppleTalk Added filtering support for: VLANs, ESIS, ISIS Improvements to: print-telnet, IPTalk, bootp/dhcp, ECN, PPP, L2TP, PPPoE HP-UX 11.0 -- find the right dlpi device. Solaris 8 - IPv6 works Linux - Added support for an "any" device to capture on all interfaces Security fixes: buffer overrun audit done. Strcpy replaced with strlcpy, sprintf replaced with snprintf. Look for lex problems, and warn about them. v3.5 Fri Jan 28 18:00:00 PST 2000 Bill Fenner <fenner@research.att.com> - switch to config.h for autoconf - unify RCSID strings - Updated PIMv1, PIMv2, DVMRP, IGMP parsers, add Cisco Auto-RP parser - Really fix the RIP printer - Fix MAC address -> name translation. - some -Wall -Wformat fixes - update makemib to parse much of SMIv2 - Print TCP sequence # with -vv even if you normally wouldn't - Print as much of IP/TCP/UDP headers as possible even if truncated. itojun@iijlab.net - -X will make a ascii dump. from netbsd. - telnet command sequence decoder (ff xx xx). from netbsd. - print-bgp.c: improve options printing. ugly code exists for unaligned option parsing (need some fix). - const poisoning in SMB decoder. - -Wall -Werror clean checks. - bring in KAME IPv6/IPsec decoding code. Assar Westerlund <assar@sics.se> - SNMPv2 and SNMPv3 printer - If compiled with libsmi, tcpdump can load MIBs on the fly to decode SNMP packets. - Incorporate NFS parsing code from NetBSD. Adds support for nfsv3. - portability fixes - permit building in different directories. Ken Hornstein <kenh@cmf.nrl.navy.mil> - bring in code at /afs/transarc.com/public/afs-contrib/tools/tcpdump for parsing AFS3 packets Andrew Tridgell <tridge@linuxcare.com> - SMB printing code Love <lha@stacken.kth.se> - print-rx.c: add code for printing MakeDir and StoreStatus. Also change date format to the right one. Michael C. Richardson <mcr@sandelman.ottawa.on.ca> - Created tcpdump.org repository v3.4 Sat Jul 25 12:40:55 PDT 1998 - Hardwire Linux slip support since it's too hard to detect. - Redo configuration of "network" libraries (-lsocket and -lnsl) to deal with IRIX. Thanks to John Hawkinson (jhawk@mit.edu) - Added -a which tries to translate network and broadcast addresses to names. Suggested by Rob van Nieuwkerk (robn@verdi.et.tudelft.nl) - Added a configure option to disable gcc. - Added a "raw" packet printer. - Not having an interface address is no longer fatal. Requested by John Hawkinson. - Rework signal setup to accommodate Linux. - OSPF truncation check fix. Also display the type of OSPF packets using MD5 authentication. Thanks to Brian Wellington (bwelling@tis.com) - Fix truncation check bugs in the Kerberos printer. Reported by Ezra Peisach (epeisach@mit.edu) - Don't catch SIGHUP when invoked with nohup(1). Thanks to Dave Plonka (plonka@mfa.com) - Specify full install target as a way of detecting if install directory does not exist. Thanks to Dave Plonka. - Bit-swap FDDI addresses for BSD/OS too. Thanks to Paul Vixie (paul@vix.com) - Fix off-by-one bug when testing size of ethernet packets. Thanks to Marty Leisner (leisner@sdsp.mc.xerox.com) - Add a local autoconf macro to check for routines in libraries; the autoconf version is broken (it only puts the library name in the cache variable name). Thanks to John Hawkinson. - Add a local autoconf macro to check for types; the autoconf version is broken (it uses grep instead of actually compiling a code fragment). - Modified to support the new BSD/OS 2.1 PPP and SLIP link layer header formats. - Extend OSF ip header workaround to versions 1 and 2. - Fix some signed problems in the nfs printer. As reported by David Sacerdote (davids@silence.secnet.com) - Detect group wheel and use it as the default since BSD/OS' install can't hack numeric groups. Reported by David Sacerdote. - AIX needs special loader options. Thanks to Jonathan I. Kamens (jik@cam.ov.com) - Fixed the nfs printer to print port numbers in decimal. Thanks to Kent Vander Velden (graphix@iastate.edu) - Find installed libpcap in /usr/local/lib when not using gcc. - Disallow network masks with non-network bits set. - Attempt to detect "egcs" versions of gcc. - Add missing closing double quotes when displaying bootp strings. Reported by Viet-Trung Luu (vluu@picard.math.uwaterloo.ca) v3.3 Sat Nov 30 20:56:27 PST 1996 - Added Linux support. - GRE encapsulated packet printer thanks to John Hawkinson (jhawk@mit.edu) - Rewrite gmt2local() to avoid problematic os dependencies. - Suppress nfs truncation message on errors. - Add missing m4 quoting in AC_LBL_UNALIGNED_ACCESS autoconf macro. Reported by Joachim Ott (ott@ardala.han.de) - Enable "ip_hl vs. ip_vhl" workaround for OSF4 too. - Print arp hardware type in host order. Thanks to Onno van der Linden (onno@simplex.nl) - Avoid solaris compiler warnings. Thanks to Bruce Barnett (barnett@grymoire.crd.ge.com) - Fix rip printer to not print one more route than is actually in the packet. Thanks to Jean-Luc Richier (Jean-Luc.Richier@imag.fr) and Bill Fenner (fenner@parc.xerox.com) - Use autoconf endian detection since BYTE_ORDER isn't defined on all systems. - Fix dvmrp printer truncation checks and add a dvmrp probe printer. Thanks to Danny J. Mitzel (mitzel@ipsilon.com) - Rewrite ospf printer to improve truncation checks. - Don't parse tcp options past the EOL. As noted by David Sacerdote (davids@secnet.com). Also, check tcp options to make sure they ar actually in the tcp header (in addition to the normal truncation checks). Fix the SACK code to print the N blocks (instead of the first block N times). - Don't say really small UDP packets are truncated just because they aren't big enough to be a RPC. As noted by David Sacerdote. v3.2.1 Sun Jul 14 03:02:26 PDT 1996 - Added rfc1716 icmp codes as suggested by Martin Fredriksson (martin@msp.se) - Print mtu for icmp unreach need frag packets. Thanks to John Hawkinson (jhawk@mit.edu) - Decode icmp router discovery messages. Thanks to Jeffrey Honig (jch@bsdi.com) - Added a printer entry for DLT_IEEE802 as suggested by Tak Kushida (kushida@trl.ibm.co.jp) - Check igmp checksum if possible. Thanks to John Hawkinson. - Made changes for SINIX. Thanks to Andrej Borsenkow (borsenkow.msk@sni.de) - Use autoconf's idea of the top level directory in install targets. Thanks to John Hawkinson. - Avoid infinite loop in tcp options printing code. Thanks to Jeffrey Mogul (mogul@pa.dec.com) - Avoid using -lsocket in IRIX 5.2 and earlier since it breaks snoop. Thanks to John Hawkinson. - Added some more packet truncation checks. - On systems that have it, use sigset() instead of signal() since signal() has different semantics on these systems. - Fixed some more alignment problems on the alpha. - Add code to massage unprintable characters in the domain and ipx printers. Thanks to John Hawkinson. - Added explicit netmask support. Thanks to Steve Nuchia (steve@research.oknet.com) - Add "sca" keyword (for DEC cluster services) as suggested by Terry Kennedy (terry@spcvxa.spc.edu) - Add "atalk" keyword as suggested by John Hawkinson. - Added an igrp printer. Thanks to Francis Dupont (francis.dupont@inria.fr) - Print IPX net numbers in hex a la Novell Netware. Thanks to Terry Kennedy (terry@spcvxa.spc.edu) - Fixed snmp extended tag field parsing bug. Thanks to Pascal Hennequin (pascal.hennequin@hugo.int-evry.fr) - Added some ETHERTYPEs missing on some systems. - Added truncated packet macros and various checks. - Fixed endian problems with the DECnet printer. - Use $CC when checking gcc version. Thanks to Carl Lindberg (carl_lindberg@blacksmith.com) - Fixes for AIX (although this system is not yet supported). Thanks to John Hawkinson. - Fix bugs in the autoconf misaligned accesses code fragment. - Include sys/param.h to get BYTE_ORDER in a few places. Thanks to Pavlin Ivanov Radoslavov (pavlin@cs.titech.ac.jp) v3.2 Sun Jun 23 02:28:10 PDT 1996 - Print new icmp unreachable codes as suggested by Martin Fredriksson (martin@msp.se). Also print code value when unknown for icmp redirect and time exceeded. - Fix an alignment endian bug in getname(). Thanks to John Hawkinson. - Define "new" domain record types if not found in arpa/nameserv.h. Resulted from a suggestion from John Hawkinson (jhawk@mit.edu). Also fixed an endian bug when printing mx record and added some new record types. - Added RIP V2 support. Thanks to Jeffrey Honig (jch@bsdi.com) - Added T/TCP options printing. As suggested by Richard Stevens (rstevens@noao.edu) - Use autoconf to detect architectures that can't handle misaligned accesses. v3.1 Thu Jun 13 20:59:32 PDT 1996 - Changed u_int32/int32 to u_int32_t/int32_t to be consistent with bsd and bind (as suggested by Charles Hannum). - Port to GNU autoconf. - Add support for printing DVMRP and PIM traffic thanks to Havard Eidnes (Havard.Eidnes@runit.sintef.no). - Fix AppleTalk, IPX and DECnet byte order problems due to wrong endian define being referenced. Reported by Terry Kennedy. - Minor fixes to the man page thanks to Mark Andrews. - Endian fixes to RTP and vat packet dumpers, thanks to Bruce Mah (bmah@cs.berkeley.edu). - Added support for new dns types, thanks to Rainer Orth. - Fixed tftp_print() to print the block number for ACKs. - Document -dd and -ddd. Resulted from a bug report from Charlie Slater (cslater@imatek.com). - Check return status from malloc/calloc/etc. - Check return status from pcap_loop() so we can print an error and exit with a bad status if there were problems. - Bail if ip option length is <= 0. Resulted from a bug report from Darren Reed (darrenr@vitruvius.arbld.unimelb.edu.au). - Print out a little more information for sun rpc packets. - Add support for Kerberos 4 thanks to John Hawkinson (jhawk@mit.edu). - Fixed the Fix EXTRACT_SHORT() and EXTRACT_LONG() macros (which were wrong on little endian machines). - Fixed alignment bug in ipx_decode(). Thanks to Matt Crawford (crawdad@fnal.gov). - Fix ntp_print() to not print garbage when the stratum is "unspecified." Thanks to Deus Ex Machina (root@belle.bork.com). - Rewrote tcp options printer code to check for truncation. Added selective acknowledgment case. - Fixed an endian bug in the ospf printer. Thanks to Jeffrey C Honig (jch@bsdi.com) - Fix rip printer to handle 4.4 BSD sockaddr struct which only uses one octet for the sa_family member. Thanks to Yoshitaka Tokugawa (toku@dit.co.jp) - Don't checksum ip header if we don't have all of it. Thanks to John Hawkinson (jhawk@mit.edu). - Print out hostnames if possible in egp printer. Thanks to Jeffrey Honig (jhc@bsdi.com) v3.1a1 Wed May 3 19:21:11 PDT 1995 - Include time.h when SVR4 is defined to avoid problems under Solaris 2.3. - Fix etheraddr_string() in the ETHER_SERVICE to return the saved strings, not the local buffer. Thanks to Stefan Petri (petri@ibr.cs.tu-bs.de). - Detect when pcap raises the snaplen (e.g. with snit). Print a warning that the selected value was not used. Thanks to Pascal Hennequin (Pascal.Hennequin@hugo.int-evry.fr). - Add a truncated packet test to print-nfs.c. Thanks to Pascal Hennequin. - BYTEORDER -> BYTE_ORDER Thanks to Terry Kennedy (terry@spcvxa.spc.edu). v3.0.3 Sun Oct 1 18:35:00 GMT 1995 - Although there never was a 3.0.3 release, the linux boys cleverly "released" one in late 1995. v3.0.2 Thu Apr 20 21:28:16 PDT 1995 - Change configuration to not use gcc v2 flags with gcc v1. - Redo gmt2local() so that it works under BSDI (which seems to return an empty timezone struct from gettimeofday()). Based on report from Terry Kennedy (terry@spcvxa.spc.edu). - Change configure to recognize IP[0-9]* as "mips" SGI hardware. Based on report from Mark Andrews (mandrews@alias.com). - Don't pass cc flags to gcc. Resulted from a bug report from Rainer Orth (ro@techfak.uni-bielefeld.de). - Fixed printout of connection id for uncompressed tcp slip packets. Resulted from a bug report from Richard Stevens (rstevens@noao.edu). - Hack around deficiency in Ultrix's make. - Add ETHERTYPE_TRAIL define which is missing from irix5. v3.0.1 Wed Aug 31 22:42:26 PDT 1994 - Fix problems with gcc2 vs. malloc() and read() prototypes under SunOS 4. v3.0 Mon Jun 20 19:23:27 PDT 1994 - Added support for printing tcp option timestamps thanks to Mark Andrews (mandrews@alias.com). - Reorganize protocol dumpers to take const pointers to packets so they never change the contents (i.e., they used to do endian conversions in place). Previously, whenever more than one pass was taken over the packet, the packet contents would be dumped incorrectly (i.e., the output form -x would be wrong on little endian machines because the protocol dumpers would modify the data). Thanks to Charles Hannum (mycroft@gnu.ai.mit.edu) for reporting this problem. - Added support for decnet protocol dumping thanks to Jeff Mogul (mogul@pa.dec.com). - Fix bug that caused length of packet to be incorrectly printed (off by ether header size) for unknown ethernet types thanks to Greg Miller (gmiller@kayak.mitre.org). - Added support for IPX protocol dumping thanks to Brad Parker (brad@fcr.com). - Added check to verify IP header checksum under -v thanks to Brad Parker (brad@fcr.com). - Move packet capture code to new libpcap library (which is packaged separately). - Prototype everything and assume an ansi compiler. - print-arp.c: Print hardware ethernet addresses if they're not what we expect. - print-bootp.c: Decode the cmu vendor field. Add RFC1497 tags. Many helpful suggestions from Gordon Ross (gwr@jericho.mc.com). - print-fddi.c: Improvements. Thanks to Jeffrey Mogul (mogul@pa.dec.com). - print-icmp.c: Byte swap netmask before printing. Thanks to Richard Stevens (rstevens@noao.edu). Print icmp type when unknown. - print-ip.c: Print the inner ip datagram of ip-in-ip encapsulated packets. By default, only the inner packet is dumped, appended with the token "(encap)". Under -v, both the inner and output packets are dumped (on the same line). Note that the filter applies to the original packet, not the encapsulated packet. So if you run tcpdump on a net with an IP Multicast tunnel, you cannot filter out the datagrams using the conventional syntax. (You can filter away all the ip-in-ip traffic with "not ip proto 4".) - print-nfs.c: Keep pending rpc's in circular table. Add generic nfs header and remove os dependences. Thanks to Jeffrey Mogul. - print-ospf.c: Improvements. Thanks to Jeffrey Mogul. - tcpdump.c: Add -T flag allows interpretation of "vat", "wb", "rpc" (sunrpc) and rtp packets. Added "inbound" and "outbound" keywords Add && and || operators v2.2.1 Tue Jun 6 17:57:22 PDT 1992 - Fix bug with -c flag. v2.2 Fri May 22 17:19:41 PDT 1992 - savefile.c: Remove hack that shouldn't have been exported. Add truncate checks. - Added the 'icmp' keyword. For example, 'icmp[0] != 8 and icmp[0] != 0' matches non-echo/reply ICMP packets. - Many improvements to filter code optimizer. - Added 'multicast' keyword and extended the 'broadcast' keyword can now be so that protocol qualifications are allowed. For example, "ip broadcast" and "ether multicast" are valid filters. - Added support for monitoring the loopback interface (i.e. 'tcpdump -i lo'). Jeffrey Honig (jch@MITCHELL.CIT.CORNELL.EDU) contributed the kernel patches to netinet/if_loop.c. - Added support for the Ungermann-Bass Ethernet on IBM/PC-RTs running AOS. Contact Jeffrey Honig (jch@MITCHELL.CIT.CORNELL.EDU) for the diffs. - Added EGP and OSPF printers, thanks to Jeffrey Honig. v2.1 Tue Jan 28 11:00:14 PST 1992 - Internal release (never publicly exported). v2.0.1 Sun Jan 26 21:10:10 PDT - Various byte ordering fixes. - Add truncation checks. - inet.c: Support BSD style SIOCGIFCONF. - nametoaddr.c: Handle multi addresses for single host. - optimize.c: Rewritten. - pcap-bpf.c: don't choke when we get ptraced. only set promiscuous for broadcast nets. - print-atal.c: Fix an alignment bug (thanks to stanonik@nprdc.navy.mil) Add missing printf() argument. - print-bootp.c: First attempt at decoding the vendor buffer. - print-domain.c: Fix truncation checks. - print-icmp.c: Calculate length of packets from the ip header. - print-ip.c: Print frag id in decimal (so it's easier to match up with non-frags). Add support for ospf, egp and igmp. - print-nfs.c: Lots of changes. - print-ntp.c: Make some verbose output depend on -v. - print-snmp.c: New version from John LoVerso. - print-tcp.c: Print rfc1072 tcp options. - tcpdump.c: Print "0x" prefix for %x formats. Always print 6 digits (microseconds) worth of precision. Fix uid bugs. - A packet dumper has been added (thanks to Jeff Mogul of DECWRL). With this option, you can create an architecture independent binary trace file in real time, without the overhead of the packet printer. At a later time, the packets can be filtered (again) and printed. - BSD is supported. You must have BPF in your kernel. Since the filtering is now done in the kernel, fewer packets are dropped. In fact, with BPF and the packet dumper option, a measly Sun 3/50 can keep up with a busy network. - Compressed SLIP packets can now be dumped, provided you use our SLIP software and BPF. These packets are dumped as any other IP packet; the compressed headers are dumped with the '-e' option. - Machines with little-endian byte ordering are supported (thanks to Jeff Mogul). - Ultrix 4.0 is supported (also thanks to Jeff Mogul). - IBM RT and Stanford Enetfilter support has been added by Rayan Zachariassen <rayan@canet.ca>. Tcpdump has been tested under both the vanilla Enetfilter interface, and the extended interface (#ifdef'd by IBMRTPC) present in the MERIT version of the Enetfilter. - TFTP packets are now printed (requests only). - BOOTP packets are now printed. - SNMP packets are now printed. (thanks to John LoVerso of Xylogics). - Sparc architectures, including the Sparcstation-1, are now supported thanks to Steve McCanne and Craig Leres. - SunOS 4 is now supported thanks to Micky Liu of Columbia University (micky@cunixc.cc.columbia.edu). - IP options are now printed. - RIP packets are now printed. - There's a -v flag that prints out more information than the default (e.g., it will enable printing of IP ttl, tos and id) and -q flag that prints out less (e.g., it will disable interpretation of AppleTalk-in-UDP). - The grammar has undergone substantial changes (if you have an earlier version of tcpdump, you should re-read the manual entry). The most useful change is the addition of an expression syntax that lets you filter on arbitrary fields or values in the packet. E.g., "ip[0] > 0x45" would print only packets with IP options, "tcp[13] & 3 != 0" would print only TCP SYN and FIN packets. The most painful change is that concatenation no longer means "and" -- e.g., you have to say "host foo and port bar" instead of "host foo port bar". The up side to this down is that repeated qualifiers can be omitted, making most filter expressions shorter. E.g., you can now say "ip host foo and (bar or baz)" to look at ip traffic between hosts foo and bar or between hosts foo and baz. [The old way of saying this was "ip host foo and (ip host bar or ip host baz)".] v2.0 Sun Jan 13 12:20:40 PST 1991 - Initial public release.