[ubuntu] open port, firewall, networking issues?

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http://ubuntuforums.org – Hey guys, This is an extended post from another forum board for VLC. In a nutshell, I'm trying to stream a video by RTP ( ), and connect to that stream from another computer/network. The problem is that nothing is coming through, and the guys on VLC are suggesting it may be a network/firewall issue. When the stream is running, if I call `netstat -nu` I see the following, Code: Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address          Foreign Address        State      udp  & (Hardware)