On Thu, 5 Jun 1997 10:51:53 -0500, you wrote:
> Does anyone have or can you point me to a site with the particulars on
> Microsoft NetMeeting. I'm looking for the protocol, ports, security
> risks, etc.
>
This question seems to come up all the time. Here is some stuff from a
post about a month ago. It gives the port and protocol info. The
security risks depend upon your individual situation. Since it is an
unknown protocol and needs to open up the high ports, I would consider
it a risk.
- brett
I have included a portion of the text from one of Microsoft's
KnowledgeBse articles. You can find the article at:
http://www.microsoft.com/kb/articles/q164/0/38.htm
- brett
---- Text of article ----
Microsoft Netmeeting 2.0 uses several secondary TCP and UDP ports to
communicate. To allow NetMeeting to communicate fully, the following
ports need to be enabled on the WinSock portion of the Proxy Server:
389 Internet Locator Server
522 User Location Server
1503 T.120 Protocol
1720 H.323 call setup (TCP)
1731 Audio call control (TCP)
Dynamic H.323 Call Control (TCP)
Dynamic H.323 streaming (RTP over UDP)
Port or Range Type Direction
------------- ---- ---------
389 TCP Inbound
389 TCP OutBound
522 TCP Inbound
522 TCP Outbound
1025-65535 TCP Inbound
1025-65535 TCP Outbound
1025-65535 UDP Inbound
1025-65535 UDP Outbound
References:
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