tcpdump
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the-tcpdump-group
the TCPdump network dissector
Linux cooked header version 2 always outputs link level data, while version 1 only outputs extra information when the option `-e` is used (“Print the link-level header on each dump...
Tcpdump version: ``` tcpdump-original version 5.0.0-PRE-GIT libpcap version 1.11.0-PRE-GIT (with TPACKET_V3) OpenSSL 1.1.1f 31 Mar 2020 Compiled with AddressSanitizer/Clang. ``` Fuzzing tcpdump with our hybrid fuzzer has uncovered 3 Undefined...
This enables 64-bit off_t where it's opt-in (e.g. glibc) on 32-bit platforms. Bug: https://bugs.gentoo.org/911176
I ran some fuzzing with ubsan enabled. These are my fixes to the problems that this fuzzing found. (This was kind of an accident; I didn't realize that ubsan was...
When parsing PGM NCF packet type, the group AFNUM is extracted too late to be correct. In the switch in print-pgm.c under PGM_NCF option, when all the pointers are set,...
tcpdump version 4.9.3 Trying to use postrotate-command to compress the files and does work when the files are rotated, however, when terminating (tried SIGINT, SIGHUP, and SIGTERM) the postrotate-command is...
This PR adds the following command line options to tcpdump. --overview: to print an overview of the contents of the capture --no-print: to suppress printing of individual packets (useful with...
tcpdump will not print ip checksum when it is zero. However, it is possible that a sender compose a packet with ip checksum = 0. In some case, checksum value...
NTPv4 (RFC 5905, section 7.4) and SNTPv4 (RFC 4330, section 8) formalize that if the stratum value is zero, the refid _may_ contain a printable ("designed for character displays and...
