nanog mailing list archives

Re: I don't need no stinking firewall!


From: Brielle Bruns <bruns () 2mbit com>
Date: Tue, 05 Jan 2010 14:05:06 -0700

On 1/5/10 2:01 PM, Peter Hicks wrote:
Tony Finch wrote:

Stateful inspection is useful for breaking things in subtle and
hard-to-debug ways.
 >
http://fanf.livejournal.com/102206.html
http://fanf.livejournal.com/95831.html

Is that really stateful inspection? Isn't the SMTP fixup on a PIX an
application-level gateway?

I *though* most of the world turns SMTP fixup off because it's naff.




It is a ALG, and a completely braindead one at that. Nothing like trying to figure out what an error message means when its just...

XXX   ******************************************************

The PIX's fixup for DNS packets have been causing issues on my end too in one setup.


--
Brielle Bruns
The Summit Open Source Development Group
http://www.sosdg.org    /     http://www.ahbl.org


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