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Date:      Thu, 16 Nov 2006 12:28:32 -0600
From:      "Travis H." <travis@subspacefield.org>
To:        Andrei Kolu <antik@bsd.ee>
Cc:        freebsd-pf@freebsd.org
Subject:   Re: problems connecting samba shares
Message-ID:  <20061116182832.GA14170@nexus.subspacefield.org>
In-Reply-To: <200611162011.21765.antik@bsd.ee>
References:  <56217.24.161.8.173.1159492654.squirrel@mail.poklib.org> <200611151910.53727.antik@bsd.ee> <20061116100307.GC32666@nexus.subspacefield.org> <200611162011.21765.antik@bsd.ee>

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On Thu, Nov 16, 2006 at 08:11:21PM +0200, Andrei Kolu wrote:
> Yes, I understand that SMB is bad, but why PF blocks port that is opened with 
> rules?
> 
> /etc/pf.conf:
> pass in on rl0 proto udp from any to (rl0) port 137 keep state
> 
> # tcpdump -n -e -ttt -i pflog0:
> rule 0/0(match): block in on rl0: 192.168.2.100.137 > 
> 192.168.2.101.53259: NBT UDP PACKET(137): QUERY; POSITIVE; RESPONSE; UNICAST

Your rule passes IN packets TO *DESTINATION* port 137

The packet you are blocking is coming IN, FROM *SOURCE* port 137

If that isn't clear enough, I can't help you, you need to read a
book on firewalls or TCP/IP.
-- 
"Cryptography is nothing more than a mathematical framework for
discussing various paranoid delusions." -- Don Alvarez
<URL:http://www.subspacefield.org/~travis/>; -><-



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