Date: Fri, 19 Sep 2008 12:53:27 +1000 From: Jason But <jbut@swin.edu.au> To: freebsd-ipfw@freebsd.org Cc: David Hayes <dahayes@swin.edu.au>, Grenville Armitage <garmitage@swin.edu.au> Subject: Code release of ipfw NAT support for SCTP in FreeBSD-8 Message-ID: <48D31427.3080708@swin.edu.au>
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The Centre for Advanced Internet Architectures (CAIA http://caia.swin.edu.au) is proud to announce the release of alias_sctp version 0.2, an SCTP NAT patch to FreeBSD 8.x. Alias_sctp provides SCTP NAT functionality to the ipfw/ipfw_nat/libalias suite. Alias_sctp version 0.2 is a fully functional NAT for SCTP. It is part of the CAIA SONATA project (http://caia.swin.edu.au/urp/sonata). The code has been intentionally kept as separate as possible from the base modules to aid testing and debugging, and make it easier to port to other systems. We welcome and value feedback and comments. Please forward feedback to dahayes@swin.edu.au and jbut@swin.edu.au Download patch from http://caia.swin.edu.au/urp/sonata/downloads.html Features of alias_sctp version 0.2: - Support for global multi-homing - Support for multi-homed privately addressed hosts using ASCONF modifications from the Internet Draft (R. Stewart and M. Tuexen, "Stream control transmission protocol (SCTP) network address translation", draft-stewart-behave-sctpnat-04, Jul. 2008) - Support for forwarding of T-flagged packets - Generation and delivery of AbortM/ErrorM packets upon detection of NAT collisions - Per-port forwarding rules - Dynamic configuration (via sysctl interface) of: o Logging and statistic gathering o Timer management o Hash Table sizes o Global address storage and other processing limits - Configuration via use of the "ipfw nat ... config" - Stateful SCTP association management. This project has been made possible in part by a grant from the Cisco University Research Program Fund at Community Foundation Silicon Valley. Jason -- ---------- Dr. Jason But Lecturer Telecommunications Engineering Academic Group Faculty of Information and Communication Technologies Swinburne University of Technology http://www.swinburne.edu.au/ict/telecommshome.htm
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