Title: Defending Against Sequence Number Attacks
Author(s): S. Bellovin.
Status: INFORMATIONAL
Date: May 1996
Length: 13074
IP spoofing attacks based on sequence number spoofing have become a serious threat on the Internet (CERT Advisory CA-95:01). While ubiquitous crypgraphic authentication is the right answer, we propose a simple modification to TCP implementations that should be a very substantial block to the current wave of attacks.
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