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Date:      Tue, 18 Sep 2012 09:12:02 GMT
From:      Simeon Simeonov <blackmore@pichove.org>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   amd64/171733: PF problem with modulate state in
Message-ID:  <201209180912.q8I9C25g086717@red.freebsd.org>
Resent-Message-ID: <201209180920.q8I9K2iU093606@freefall.freebsd.org>

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>Number:         171733
>Category:       amd64
>Synopsis:       PF problem with modulate state in
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Sep 18 09:20:02 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Simeon Simeonov
>Release:        FreeBSD 9.1-PRERELEASE
>Organization:
None
>Environment:
FreeBSD SagaBOX 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #0: Sun Sep 16 17:55:15 CEST 2012     root@SagaBOX:/usr/obj/usr/src/sys/SagaBOX  amd64
>Description:
I am running a "FreeBSD 9.1-PRERELEASE #0: Sun Sep 16 17:55:15 CEST 2012". I noticed that the following line stops the ipv6 traffic to port 22: 
pass in quick on $ext_if proto tcp to port = 22 flags S/SA modulate state (if-bound)

It works fine for ipv4. If I replace modulate state (if-bound) with keep state it works with ipv6 as well.

This problem did not occur while using FreeBSD 9.0-STABLE. No changes in the pf.conf or the kernel config have been made since the upgrade. 
>How-To-Repeat:
See the description
>Fix:
None

>Release-Note:
>Audit-Trail:
>Unformatted:



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