[Bug 209680] ipfw: when enabled, net connections time out/ssh results in "broken pipe"

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209680

Len White <lwhite at nrw.ca> changed:

           What    |Removed                     |Added
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                 CC|                            |lwhite at nrw.ca

--- Comment #11 from Len White <lwhite at nrw.ca> ---
I've been having the same issue, it's very random.  I've spent A LOT of time
debugging it, adding extra print statements in ipfw... unfortunately I can't
trigger the issue at will.  It does seem to happen more often if I start up
World of Warcraft from a system behind the ipfw machine.  But it seems like
whatever the issue is, it's causing the connections to "expire" prematurely. 
When it happens new connections will die in 5-15 seconds over and over.  I can
reboot the system and it will come back up, still doing the same thing, then
5-10 mins later it will be fine.  Never any errors in logs or dmesg when it
happens.

Running 11.0-RELEASE-p5

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