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Project 172 Update

Review status and issues of the campus-wide private addresses project, including cross-subnet routing and reduced visibility for enhanced security. Explore current options, challenges, and future plans. Join the discussion with experts and contribute feedback for considerations.

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Project 172 Update

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  1. Project 172 Update Terry Gray Director, Networks & Distributed Computing UW Computing & Communications 30 April 2003

  2. Review Status Issues Discussion Agenda

  3. Concept: campus-wide private addresses campus == UWS + UWT private addresses: 172 range from RFC1918 cross-subnet routing, to/from UW public addrs(but not to/from the Internet) Motivation: Address conservation Reduced external exposure/visibility Option to limit default connectivity Not a replacement for Logical Firewalls Review

  4. Routing enabled in most places Split-view DNS operational DHCP private-address subnet option ready Usage to date: Approx 15 requests Nebula: plans to use for all printers Beginning Phase II: exploring partial Internet access options Status

  5. Global NAT option: still problematic Need feedback on alternatives: Simple Web proxy? Local NAT boxes? Other?? Current IETF debate on IPv6 “site local” Issues

  6. My Panel of Experts: Marc Hudson: P172 project lead Corey Satten: LFW tool author Discussion / Q&A

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