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Date:      Wed, 7 Feb 2001 16:58:45 +0200
From:      Peter Pentchev <roam@orbitel.bg>
To:        Rossen Raykov <rraykov@sageian.com>
Cc:        freebsd-security@freebsd.org
Subject:   Re: ipfw question
Message-ID:  <20010207165845.P487@ringworld.oblivion.bg>
In-Reply-To: <00a101c09116$49dca980$4c00000a@sage>; from rraykov@sageian.com on Wed, Feb 07, 2001 at 09:57:27AM -0500
References:  <00a101c09116$49dca980$4c00000a@sage>

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On Wed, Feb 07, 2001 at 09:57:27AM -0500, Rossen Raykov wrote:
> Hi All,
> 
> I have the following lines in my firewall config file (fragment from ipfw
> show):
> 
> 03010    108   10919 allow udp from local.ip to any
> 50000      0       0 allow udp from any 40000-50000 to local.ip 40000-50000
> 50001     21    1694 allow log logamount 1024 udp from any to any
> 
> And I have the following records in security log:
> 
> Feb  7 08:49:33 myhost /kernel: ipfw: 50001 Accept UDP forien.ip.1:4000
> local.ip:49160 in via dc0
> Feb  7 08:49:42 myhost last message repeated 10 times
> Feb  7 08:52:10 myhost last message repeated 2 times
> Feb  7 09:00:34 myhost last message repeated 7 times
> Feb  7 09:02:34 myhost /kernel: ipfw: 50001 Accept UDP forien.ip.2:4000
> local.ip:49160 in via dc0
> 
> My question is why those packets ware not captured from rule 50000 but from
> 50001?

Are you sure you've listed your firewall rules right?  Rule 50000
wants the incoming packet to be between 40,000 and 50,000, and
a source port of 4,000 is definitely less than 40,000 :)

G'luck,
Peter

-- 
This inert sentence is my body, but my soul is alive, dancing in the sparks of your brain.


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