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Postfix's Creator Outlines Spam Solution 253

SATAN writes "Wietse Venema started out as a physicist, but became interested in the security of the programs he wrote to control his physics experiments. He went on to create several well-known network and security tools, including the Security Administrator's Tool for Analyzing Networks (SATAN) and The Coroner's Toolkit with Dan Farmer. He is also the creator of the popular MTA Postfix and TCP Wrapper. SecurityFocus chatted up Venema to talk about software security, how to improve the code quality, what solutions we might have to fight spam successfully, the principle of least privilege, and the philosophy behind the design of Postfix. Venema is currently a researcher at IBM's T.J. Watson Research Center."

AT&T Denies Resetting P2P Connections 112

betaville points out comments AT&T filed with the FCC in which they denied throttling traffic by resetting P2P file-sharing connections. Earlier this week, a study published by the Vuze team found AT&T to have the 25th highest (13th highest if extra Comcast networks are excluded) median reset rate among the sampled networks. In the past, AT&T has defended Comcast's throttling practices, and said it wants to monitor its network traffic for IP violations. "AT&T vice president of Internet and network systems research Charles Kalmanek, in a letter addressed to Vuze CEO Gilles BianRosa, said that peer-to-peer resets can arise from numerous local network events, including outages, attacks, reconfigurations or overall trends in Internet usage. 'AT&T does not use "false reset messages" to manage its network,' Kalmanek said in the letter. Kalmanek noted that Vuze's analysis said the test 'cannot conclude definitively that any particular network operator is engaging in artificial or false [reset] packet behavior.'"

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