Re: Filtering questions

Darren Reed <[email protected]> Mon, 27 Jul 2009 11:47:56 -0700
Newsgroups gmane.comp.security.firewalls.ipfilter
Message-ID <20135_1248720533_4A6DF695_20135_6792_1_4A6DF65C.6070307@reed.wattle.id.au>
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Mika Borner wrote:
| Hi all
|
| I have three questions:
|
| -Is it possible to fast-route only fragmented packets? We plan to 
route port 25 traffic to an outgoing spamfilter running on Solaris. In 
rare cases, we might have fragmented packets in our network. In that 
case only the first packet will get rerouted, as the following fragments 
do not contain port information and will never be received by the 
spamfilter. I would like to handle this in a sane way...

Sure...although I don't know if I answered this question...

pass in quick on bge0 to bge1:2.3.4.5 proto tcp all with frag-body


| -As some customers misuse port 25 for non-SMTP-traffic, I would like 
to either block or transparently pass such traffic. The "simple matching 
of content" -feature would come very close to what I want. Is it still 
experimental? Or maybe someone knows of an other way to accomplish this...

.. because I remember answering this...did it get resolved?

|
| -Are there instructions how to replace Solaris 10U7 ipf with a custom one?

Use the script SunOS5/replace

Darren

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