This is a port of Apple Computer's open source rtsp_proxy. QuickTime streaming uses RTP/RTSP protocols Recommendations for Firewall Administrators: QuickTime follows the conventions of the RTP and RTSP internet standards to stream media over the web. To enable QuickTime 4 to work properly inside your firewall, please follow the following IETF recommendation: - Open port 554 for RTSP/TCP data. - Open ports 6970 through 6999 (inclusive) for RTP/UDP data. For more information on the RTP and RTSP internet standards: - RTSP: http://info.internet.isi.edu:80/in-notes/rfc/files/rfc2326.txt - RTP: http://info.internet.isi.edu:80/in-notes/rfc/files/rfc1889.txt WWW: http://www.apple.com/quicktime/developers/rtsproxy.html