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Problem Areas for the IP Security Protocols

Steven M. Bellovin
AT&T Research


The Internet Engineering Task Force (IETF) is in the process of adopting standards for IP-layer encryption and authentication (IPSEC). We describe a number of attacks against various versions of these protocols, including confidentiality failures and authentication failures. The implications of these attacks are troubling for the utility of this entire effort.

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Last changed: 1 May 2002 aw
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