NAT confessions: revealing the hosts behind the translator

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Last updated 2010-08-25
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


When an IP address is shared among several subscribers, it is impossible to determine which subscriber has initiated that TCP connection. This memo describes a technique to share the identity of a subscriber that initiated a TCP connection with the TCP server.. The proposed method avoids altering the application-level payload and works well with SSL-protected connections.


Andrew Yourtchenko (
Dan Wing (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)