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Date: Tue, 13 Sep 2005 14:14:18 GMT
From: Chris <fb@crou.net>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Packet Filter rule not working properly (with SYNPROXY option)
X-Send-Pr-Version: www-2.3

>Number:         86072
>Category:       kern
>Synopsis:       [pf] Packet Filter rule not working properly (with SYNPROXY option)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-pf
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Sep 13 14:20:05 GMT 2005
>Closed-Date:    Fri Nov 10 23:10:08 GMT 2006
>Last-Modified:  Fri Nov 10 23:10:08 GMT 2006
>Originator:     Chris
>Release:        Freebsd 6 BETA4
>Organization:
>Environment:
FreeBSD <hostname> 6.0-BETA4 FreeBSD 6.0-BETA4 #0: Sun Sep 11 08:36:23 EDT 2005      
>Description:
I had that rule on my 5.4:
pass in log on $if1 proto tcp from x.x.x.x to y.y.y.y port 22 flags S/AUPRFS synproxy state

This rule was working properly until I upgrade to 6 Beta 4.  I can't connect anymore from x.x.x.x to the server using SSH.

To fix the problem, I replace the synproxy option with keep state.
>How-To-Repeat:
      
>Fix:
      
>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-i386->freebsd-pf 
Responsible-Changed-By: mlaier 
Responsible-Changed-When: Thu Oct 6 12:01:19 GMT 2005 
Responsible-Changed-Why:  
Over to pf mailing list to make sure this is not a configuration problem. 
Synproxy is unfortunately *not* a simple replacement for keep state anymore. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=86072 
State-Changed-From-To: open->feedback 
State-Changed-By: mlaier 
State-Changed-When: Tue Nov 8 16:51:34 GMT 2005 
State-Changed-Why:  
In order to debug this problem, more information is required.  Can you please 
discuss with the freebsd-pf@ and submit a result to the PR audit trail? 
Thanks. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=86072 

From: Max Laier <max@love2party.net>
To: bug-followup@freebsd.org,
 fb@crou.net
Cc:  
Subject: Re: kern/86072: [pf] Packet Filter rule not working properly (with SYNPROXY option)
Date: Fri, 2 Jun 2006 09:58:51 +0200

 Ping.  What is the status of this?
 
 -- 
  Max
State-Changed-From-To: feedback->closed 
State-Changed-By: mlaier 
State-Changed-When: Fri Nov 10 23:09:00 UTC 2006 
State-Changed-Why:  
Time out after almost five month in feedback.  Sorry. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=86072 
>Unformatted:
