Code release of ipfw NAT support for SCTP in FreeBSD-8

[Jason But]

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 at swin.edu.au and jbut at 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