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USENIX Technical Program - Abstract - 13th Systems Administration Conference - LISA '99

Moat: A Virtual Private Network Appliance and Services Platform

John S. Denker, Steven M. Bellovin, AT&T Laboratories; Hugh Daniel, FreeS/WAN Project; Nancy L. Mintz, Tom Killian, and Mark A. Plotnick, AT&T Laboratories


We have implemented a system for virtual private networking, with special attention to the needs of telecommuters. In particular, we used off-the-shelf hardware and open-source software to create a platform to provide IP security and other services for in-home networks.

Our experience has taught us a number of things about the scalability of the FreeS/WAN IPsec system, about the widespread mis-handling of path-MTU discovery on the internet, and about the implications of tunnels on the basic architecture of the network.

Additional Keywords: VPN, Linux, Residential Gateway, MSS, fragmentation.

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Last changed: 13 Feb 2002 ml
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