Is there a suitable chain for iptables when eth is in Promisc mode?

Posted by user1495181 on Server Fault See other posts from Server Fault or by user1495181
Published on 2012-10-11T16:12:45Z Indexed on 2012/10/15 9:40 UTC
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networking

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iptables

I have a fron-end machine. Machine have2 eth cards. I want to use netfilter queue to do some checks on the packets.

I set eth like this: ifconfig eth0 0.0.0.0 promisc up ifconfig eth1 0.0.0.0 promisc up

I want to have an iptable rule like this(only example): iptables -A INPUT -i eth0 -j LOG --log-prefix " eth0 packet "

but the packet is no passed through the iptables ,because it dosnt target to this MAC. Promisc mode didnt help.

I saw that there is a way to add iptables chain for PROMISC, but need compilation... Is there any simplier way to have iptables rule when packet is not target to this eth.

Currently i bypass this by creating a bridge between 2 eth and put rule on the FORWARD, but i done want to create bridge.

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