How to Resend captured packet?

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I'm developing a VPN application using TUN adapter. Until now, the VPN can read from TUN and I want to encrypt the packets read from TUN and send it to VPNserver, VPNserver then changes the source IP from the packet with VPNserver's IP and send it.

The question is: How to send the packet (array of bytes) to the destination without even to know what's in there or without creating a new socket? (as a raw packet)

Posted 11-Nov-14 23:12pm

Rasool Ahmed

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Albert Holguin · Accepted Answer · 2015-11-17T10:24:00

Solution 1

One word (acronym)......... NAT....

Configure a network address translation device (handled by the kernel in linux, prob windows too) and be done with it.

Posted 17-Nov-15 10:24am

Albert Holguin