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FTP with Tcpcrypt vs. NAT

FTP with Tcpcrypt vs. NAT

Posted Aug 26, 2010 15:31 UTC (Thu) by bboissin (subscriber, #29506)
In reply to: FTP with Tcpcrypt vs. NAT by djao
Parent article: Transport-level encryption with Tcpcrypt

See http://en.wikipedia.org/wiki/File_Transfer_Protocol#NAT_a...

some NAT routers modify the TCP *payload* to let active FTP connection work (same for DCC I guess). So if the content is encrypted there's no way for the router to modify the payload.


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