2007年5月18日 星期五

tproxy 的運作

About tproxy

SIP A: MAC a ---> (Bridged port): MAC m ---- Device ----- (Bridged port):MAC n -----> DIP W:MAC:w

the pair physical port of device was bridged, call br0, and have a IP (P)

Features
* Remember the original sourc ip (A), remember the original MAC (a)
* Send the packet from device to destination (Second segment), original ip:mac P:n
* Replace the P:n with A:a (this is the main task of tproxy

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