It seems payload size calculation is incorrect for ipv6 packets. I attached a patch that fixes ipv6 tcp, udp and icmp6 payload size calculation for ngrep 1.45.ds2-9. My patched ngrep is behaving as expected now on my 10.04 and 9.10 hosts.
** Patch added: "ngrep-fix-ipv6-support.patch" http://launchpadlibrarian.net/44952147/ngrep-fix-ipv6-support.patch -- ngrep ipv6 support seems broken https://bugs.launchpad.net/bugs/567286 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs