Reply To: How to manage (Proxy) Re-Routing Packages?

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#6405

Vadim Smirnov
Moderator

it is possible to capture packes from a specific port an re-route it to an other ip?

Can i change the dest. & src IP-Address in the IP-Header?

Which stuff has to be modified?

Yes this is possible and it is as simple as changing IP/TCP/UDP header and recalculating the checksums. Also if this is sort of redirect the reversed operation should be performed in reversed packets.

Internet Gateway sample http://www.ntkernel.com/w&p.php?id=31demonstrates the usage of WinpkFilter for implementing NAT solution.