How to forward a packet in iptables?

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Inteli Sense2016-09-26 16:05:03

linux

Inteli Sense, 2016-09-26 16:05:03

There is a server. You need to redirect a packet with a specific header to another server, get a response and redirect it back to the user.
I imagine that you need to dig in the direction of DNAT (thanks @silverghost) but the idea of how to do this comes with great difficulty.
Please tell me where to dig what to read so that the concept of the process comes faster.

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O

Oleg Tsilyurik, 2016-09-26
@Olej

What to read

rules iptables
firewalld & iptables
There are links to clear "quick" descriptions.