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Answermedia through proxy for live meeting service

  • Wednesday, September 09, 2009 8:27 AMAlexander DoninMVPUsers MedalsUsers MedalsUsers MedalsUsers MedalsUsers Medals
     
    As I know, media is not supported through proxy with Authentication for live meeting service
    Administrators are ready to disable Authentication on proxy for spesial IP addresses
    Where can I find IP addresses for media in Microsoft live meeting service?

    P.S I know about possibility to use firewall client, but this question about how to deal with Microsoft live meeting service without firewall client

Answers

  • Monday, September 14, 2009 10:16 AMLu Zou-MSFTMSFT, ModeratorUsers MedalsUsers MedalsUsers MedalsUsers MedalsUsers Medals
     Answer

    Hi Alexander,

    You must disable proxy authentication for the following range of IP addresses so that user authentication is not required for the Live Meeting 2007 service:

     

    64.41.193.0/24

    209.1.15.0/24

    216.34.51.0/24

    204.79.188.0/24

    216.32.182.0/24

    204.176.46.0/24

    65.221.5.0/24

    204.79.179.0/24

    216.32.242.0/24

    193.221.113.0/24

    194.110.197.0/24

     

    When you use audio and video in a Live Meeting 2007 session, Live Meeting 2007 uses one of the following methods:

    l  Live Meeting 2007 uses a direct connection to a media relay.

    l  Live Meeting 2007 uses the proxy settings that are configured in Windows Internet Explorer to connect through an HTTP proxy connection.

     

    The following two protocols are used for audio and for video in Live Meeting 2007:

    l  User Datagram Protocol (UDP) port 3478

    l  Transmission Control Protocol (TCP) port 443

    Typically, UDP is preferred for performance. However, UDP connections can cause network congestion. Audio and video use TCP if UDP ports are blocked. TCP lowers network congestion. However, TCP also lowers the quality of audio and of video. Audio is affected the most when TCP is used because the ear is more sensitive

    When you connect to Live Meeting Manager, SSL port 443 is used. This is a Web site where meetings can be scheduled and updated over the Internet.

     

    To enable users to watch streaming recordings of a video or to hear streaming recordings of audio, the following range of streaming ports is used:

     

    TCP ports 80, 443, 554, 1755, 7070

    UDP ports 1755 and 5055

     

    For your information:

    Application

     Protocol

     Ports

     Features

     

    Meeting Console

    (LM2003 - LM2007)

     HTTP

     TCP 80

     Slide transfers, custom pane, web slides, Getting started pane, connection to Media Server for negotiating IAB stream (LM2005)

     

    HTTPS (SSL)

     TCP 443

     PWRPC, AppSharing

     

    HTTPS (TLS)

     8000-8100 (2005)

     

    8057 and 3478 (2007)

     PWRPC, AppSharing

    Optional - will fall back to 443 if probe fails

     

    (LM2005)

     RTSP

     TC

    LM2007)

     SIP

     5060

     Connection to Office Communication Server

     

    SIP-TLS

     5061

     Connection to Office Communication Server

     

    Live Meeting Manager

    (aka Rapid)

     HTTP

     TCP 80

     Redirects to HTTPS for Login and all subsequent page service

     

    HTTPS (SSL)

     TCP 443

     All web UI

     

    Windows Media Player

     HTTP

     TCP 80

     Connection to Media Server for negotiating recording playback

     

    RTSP

     TCP 554

     Streaming media

    MMS

     TCP 1755 or

     

    UDP 1755

     Streaming media for recording playback (no longer supported in WMP11)


    Hope this helps.

    Lu Zou

All Replies

  • Monday, September 14, 2009 10:16 AMLu Zou-MSFTMSFT, ModeratorUsers MedalsUsers MedalsUsers MedalsUsers MedalsUsers Medals
     Answer

    Hi Alexander,

    You must disable proxy authentication for the following range of IP addresses so that user authentication is not required for the Live Meeting 2007 service:

     

    64.41.193.0/24

    209.1.15.0/24

    216.34.51.0/24

    204.79.188.0/24

    216.32.182.0/24

    204.176.46.0/24

    65.221.5.0/24

    204.79.179.0/24

    216.32.242.0/24

    193.221.113.0/24

    194.110.197.0/24

     

    When you use audio and video in a Live Meeting 2007 session, Live Meeting 2007 uses one of the following methods:

    l  Live Meeting 2007 uses a direct connection to a media relay.

    l  Live Meeting 2007 uses the proxy settings that are configured in Windows Internet Explorer to connect through an HTTP proxy connection.

     

    The following two protocols are used for audio and for video in Live Meeting 2007:

    l  User Datagram Protocol (UDP) port 3478

    l  Transmission Control Protocol (TCP) port 443

    Typically, UDP is preferred for performance. However, UDP connections can cause network congestion. Audio and video use TCP if UDP ports are blocked. TCP lowers network congestion. However, TCP also lowers the quality of audio and of video. Audio is affected the most when TCP is used because the ear is more sensitive

    When you connect to Live Meeting Manager, SSL port 443 is used. This is a Web site where meetings can be scheduled and updated over the Internet.

     

    To enable users to watch streaming recordings of a video or to hear streaming recordings of audio, the following range of streaming ports is used:

     

    TCP ports 80, 443, 554, 1755, 7070

    UDP ports 1755 and 5055

     

    For your information:

    Application

     Protocol

     Ports

     Features

     

    Meeting Console

    (LM2003 - LM2007)

     HTTP

     TCP 80

     Slide transfers, custom pane, web slides, Getting started pane, connection to Media Server for negotiating IAB stream (LM2005)

     

    HTTPS (SSL)

     TCP 443

     PWRPC, AppSharing

     

    HTTPS (TLS)

     8000-8100 (2005)

     

    8057 and 3478 (2007)

     PWRPC, AppSharing

    Optional - will fall back to 443 if probe fails

     

    (LM2005)

     RTSP

     TC

    LM2007)

     SIP

     5060

     Connection to Office Communication Server

     

    SIP-TLS

     5061

     Connection to Office Communication Server

     

    Live Meeting Manager

    (aka Rapid)

     HTTP

     TCP 80

     Redirects to HTTPS for Login and all subsequent page service

     

    HTTPS (SSL)

     TCP 443

     All web UI

     

    Windows Media Player

     HTTP

     TCP 80

     Connection to Media Server for negotiating recording playback

     

    RTSP

     TCP 554

     Streaming media

    MMS

     TCP 1755 or

     

    UDP 1755

     Streaming media for recording playback (no longer supported in WMP11)


    Hope this helps.

    Lu Zou

  • Thursday, September 17, 2009 8:10 AMAlexander DoninMVPUsers MedalsUsers MedalsUsers MedalsUsers MedalsUsers Medals
     
    thank you for very comprehensive answer
  • Tuesday, October 13, 2009 2:18 PMAjeauxdn Users MedalsUsers MedalsUsers MedalsUsers MedalsUsers Medals
     

    We are having problems with our proxy server when we intercept livemeeting traffic. The meeting loads correctly however any tunneled SIP traffic or direct SIP traffic from the client to the source is either not supported by our proxy or blocked explicitly on the inside  - in interface of our firewall. We are willing to add an exception for SIP traffic to the livemeeting public IP ranges. Are the Subnets listed above the same subnets that SIP traffic will be sourced from?

    Thank you.