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Subject: [Bug 209680] ipfw: when enabled, net connections time out/ssh
 results in "broken pipe"
Date: Mon, 23 May 2016 14:48:57 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209680

--- Comment #3 from Fabian Keil <fk@fabiankeil.de> ---
Created attachment 170569
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D170569&action=
=3Dedit
ipfw: Prefill the dynamic rule zone and prevent uma from freeing unused ite=
ms

If the previous patch doesn't make a difference you could try
adding this one which may work around the problem. If it does,
this could help diagnosing the cause of the problem.

As I don't use ipfw myself I only compile-tested the patch.
It will increase the memory used by ipfw.

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