advanced routing q

[Erez D]

hello


i have a server with two eth ports, each connects to a different router,
and then to the internet.
i want all normal trafic to the internet to go via router 1 (eth0), so i
added a default route to it
i want connections TCP coming from all over the internet to the second
router(eth1), to be accepted.

the problem is that altough connections are coming from eth1, due to the
default route, they are answered from eth0, which means a tcp connection
can not be established.
i know that linux has a conntrack module, can i use it to tell the kernel
to answer on the same eth it got SYN from ?
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