maier at fidion.de
Thu Jun 21 09:09:57 CEST 2007
> Imagine that I want to create a filter, that blocks/allow every packet
> that contains the word, for example, "GOOGLE" in it. I don't want to
> block a packet deriving from some IP, or something like that, I want
> to filter the content. For example, be able to parse a XML file in a
> packet, or parse some protocol, something like that.
look for "string" in the manpage to iptables.
iptables ... -m string --string "GOOGLE" --algo bm ...
should be the right pointer for you.
Werner Maier, Dipl.-Ing. Univ. Friedrich-Bergius-Ring 15
fidion GmbH 97076 Würzburg
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