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Special Forums IP Networking How to route packets back to incoming interface? Post 302993370 by jim mcnamara on Thursday 9th of March 2017 08:34:49 AM
Old 03-09-2017
I don't quite get what you are trying to do. Maybe you want TAP - bridge from eth1: to eth0: Which you not have now. In other words segregate and bridge on this server. Is this box in the DMZ?
 

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tapset::netfilter(3stap)												  tapset::netfilter(3stap)

NAME
tapset::netfilter - systemtap netfilter tapset DESCRIPTION
netfilter.ip.pre_routing Called before an IP packet is routed See probe::netfilter.ip.pre_routing(3stap) for details. netfilter.ip.local_in Called on an incoming IP packet addressed to the local computer See probe::netfilter.ip.local_in(3stap) for details. netfilter.ip.forward Called on an incoming IP packet addressed to some other computer See probe::netfilter.ip.forward(3stap) for details. netfilter.ip.local_out Called on an outgoing IP packet See probe::netfilter.ip.local_out(3stap) for details. netfilter.ip.post_routing Called immediately before an outgoing IP packet leaves the computer See probe::netfilter.ip.post_routing(3stap) for details. netfilter.bridge.local_in Called on a bridging packet destined for the local computer See probe::netfilter.bridge.local_in(3stap) for details. netfilter.bridge.forward Called on an incoming bridging packet destined for some other computer See probe::netfilter.bridge.forward(3stap) for details. netfilter.bridge.local_out Called on a bridging packet coming from a local process See probe::netfilter.bridge.local_out(3stap) for details. SEE ALSO
probe::netfilter.ip.pre_routing(3stap), probe::netfilter.ip.local_in(3stap), probe::netfilter.ip.forward(3stap), probe::netfilter.ip.local_out(3stap), probe::netfilter.ip.post_routing(3stap), probe::netfilter.arp.in(3stap), probe::netfilter.arp.out(3stap), probe::netfilter.arp.forward(3stap), probe::netfilter.bridge.pre_routing(3stap), probe::netfilter.bridge.local_in(3stap), probe::netfilter.bridge.forward(3stap), probe::netfilter.bridge.local_out(3stap), probe::netfilter.bridge.post_routing(3stap), stap(1), stapprobes(3stap) IBM
--- tapset::netfilter(3stap)
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