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Anonymous
April 19, 2006
Question

Streaming issue through Firewall

  • April 19, 2006
  • 3 replies
  • 439 views
Hello all,

We have some video streaming through FMS. All is well for almost all who view, but unfortunately our client is behind a massive firewall and who knows what else and has issues seeing it... It will actually stream, but it takes about 3-4 minutes for it to start, and then some times it will have trouble playing through the entire video.

I know they can see other sites that stream Flash content like army.com and foxnews.com, and it works great. Is this just just an encoding issue, or could it be a problem with the FMS setup, or something elese?

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    3 replies

    Anonymous
    April 19, 2006
    The flashplayer will first try to connect on port 1935. If that fails, the player will then try to connect on port 80. I've read that there can be sme delay there... as much as a couple of minutes.

    My guess is that your client's firewall is preventing the connection on 1935, but allowing port 80. That would explain the delay in the connection. If your client is behind a proxy that restricts or disallows keep-alive connections, that would explain the slowdown and disconnects.

    The video from the other sites you mentioned might not be using FMS streaming in all cases, but rather, progressive download. In such a case, your client wouldn't have the connection problems.
    Anonymous
    April 20, 2006
    Thanks Jay,

    I understand how flash works with the streaming video, and I'm pretty positive that the other sites I mentioned are using streaming instead of progressive... there's no buffering time. My question is how are they getting through without a delay, and I cannot? Is it a my flash code that's casuing the problem, the way the video is encoded, or could it be the way the media server is set up.... My server is set up at a small hosting company. It's their first venture into Flash Media Servers. Everything seems to be working fine, except when trying to get the content to play on my client's machine.

    Right now I'm just struggling to figure out where the problem is, so I can correct it.

    thanks in advance for any help.
    Anonymous
    April 20, 2006
    I couldn't find the video on army.mil, but the video I found on Foxnews.com is progressive. The easiest way to tell is to stop the video a few seconds in play. If data transfer stops, chances are it's a streaming source. If transfer continues while the video is stopped, chances are it's a progressive download.

    If you think there might be problems with your code, post it so we can have a look.
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