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Is it possible to hook packet after Netfiltr?

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Name: MehdiKarimi
Date: July 27, 2009 at 01:01:10 Pacific
OS: linux
Subcategory: General
Comment:

I think that detection of source/destination mac addresses of a packet is done after NF_IP_POST_ROUTING step of Netfilter. Is it possible to hook the packet after this step with correct mac addrs? I want to decide about the out-going packet from my NIC to another to drop/accept packet. In another way, it is like to a firewall rule on mac addresses of output packets .



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