Hi,I am looking for a solution to do some filtering based on application level mainly for the outgoing traffic. I have found the l7-filter (http://l7-filter.sourceforge.net ) that can do it. I would nevertheless prefer something similar to LittleSnitch (http://www.obdev.at/products/littlesnitch/index.html) on OS X or to ZoneAlarm on Windows. Does it already exist something similar on Linux or some kind of module for iptables that can do it? For example, I would like to ACCEPT application alohomora to be able to: * open a connection (with possibility to specify destination port number) * open a connection but only to closed.door.net (with possibility to specify destination port number)
If not, I would be interested to try to develop something that could go in this direction and with possibility to use it as a module for iptables. I would also appreciate some hints and info where to look at in order to begin; I am quite a newcomer to iptables.
Thanks a lot for your help and comments. Christoph
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