A new version of XBSlink has been released, it's an application that will allow you to play system-link enabled multi-player Xbox360 games over the internet, which became useful since the Dash Launch plugin removing the 30ms-ping-limit on the Xbox360.

What's new/fixed (since v0.7.2.2):
* added detection of private subnet IPs (in new simple Cloud-list server v1.1) (v0.8.2.4)
* new detection of external public IP when UPnP & STUN is not used. (v0.8.2.4)
* passwords were transmitted in plain text. switched to MD5 hash. (v0.8.2.4)
* exception handling on failed UPnP port mapping (v0.8.2.4)
* (low) sound notification on leaving XBSlink node (v0.8.2.4)
* small fix in cloud-list updater (v0.8.2.1)
* implemented the new Cloud feature (v0.8.2.0)
* high priority packet delivery for DATA packets (v0.8.2.0)
* dead node removal (ping check) (v0.8.2.0)
* XBSlink protocol changed to support XBSlink clouds (dropped Masterbrowser, enhanced P2P connection setup) (v0.8.2.0)
* copy info messages to clipboard (v0.8.2.0)
* UPnP timeout on start-up fixed (v0.8.2.0)
* UPnP port mapping error fixed (v0.8.2.0)
* tray icon size fixed (v0.8.2.0)
* sound notifications (new chat message & node joins) (v0.8.2.0)
* many small changes… (v0.8.2.0)

Official Site: http://www.secudb.de/~seuffert/xbslink/
Download: here