[Bug 253476] ipfw keepalive: tcp_do_segment: Timestamp missing, segment silently dropped

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Feb 13 16:56:27 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253476

Richard Scheffenegger <rscheff at freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|rscheff at freebsd.org         |ipfw at FreeBSD.org
             Status|In Progress                 |Open

--- Comment #3 from Richard Scheffenegger <rscheff at freebsd.org> ---
Handing back to #ipfw, as the offensive code is in ip_fw_dynamic.c, and there
is not sufficient state there to reconstruct a keepalive ACK (TSval, TSecr of
the last outgoing packet).

The issue around TF_NOOPT is in D28652

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