A Secure and Transparent Firewall Web Proxy

Authors:
Roger Crandell;James Clifford;Alexander Kent
Affiliations:
Los Alamos National Laboratory;Los Alamos National Laboratory;Los Alamos National Laboratory
Venue:
LISA '03 Proceedings of the 17th USENIX conference on System administration
Year:
2003

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Abstract

The LANL transparent web proxy lets authorized external users originating from the Internet to securely access internal intranet web content and applications normally blocked by a firewall. Unauthenticated access is still, of course, denied. The proxy is transparent in that no changes to browsers, user interaction, or intranet web servers are necessary. The proxy, a few thousand lines of C running on Linux, has been operating within Los Alamos National Laboratory's firewall since 1999.