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Subject: [Bug 193194] New: pf redirected TCP connections are randomly dropped
Date: Sun, 31 Aug 2014 09:06:30 +0000
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X-Bugzilla-Type: new
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: 10.0-RELEASE
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: Affects Some People
X-Bugzilla-Who: wiking@maeth.com
X-Bugzilla-Status: Needs Triage
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193194

            Bug ID: 193194
           Summary: pf redirected TCP connections are randomly dropped
           Product: Base System
           Version: 10.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: Needs Triage
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: wiking@maeth.com

Every since I have upgraded to 10.0-RELEASE I'm facing the following problem:
I'm running various services (http, imap, smtp etc.) in different jail. As i
have only one public IPv4 address I redirect the relevant ports to the jails
and NAT connections from jails.

After 2-3 days uptime all the TCP connections that are redirected by PF to 
jails are randomly dropped. The only way I can fix this is by restarting the
server, as I cannot remove the pf.ko kernel module.

This setup was working fine till 10.0-RELEASE, i.e. I've been using the machine
with the very same setup every since 7.0-RELEASE.

after a little bit of search I found out that I'm not the only one who's facing
this problem:
http://lists.freebsd.org/pipermail/freebsd-net/2014-February/037749.html

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