RE: Yahoo IM ports?

  • From: "Steve Moffat" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxx>
  • To: "Isa Weblist" <isalist@xxxxxxxxxxxxx>
  • Date: Tue, 21 Sep 2004 01:40:07 +0100

More 

Open the Login menu in the main Messenger screen and select Preferences.
Then click Connection to bring up your connection settings. 
The proxy preferences are for users behind a SOCKS and/or HTTP proxy
server who need to configure Messenger to work through their proxy. 

If you are trying to connect from behind a firewall that doesn't use
proxy servers, Yahoo! Messenger will automatically search the firewall
for an open port, and, if it finds one, use that to connect. If
Messenger is unable to find an open port, ask your System Administrator
to open port 5050 to our Messenger servers, cs1.yahoo.com,
cs2.yahoo.com, and cs3.yahoo.com. 

If your Internet connection involves an HTTP proxy, follow these steps
to configure the Messenger to work through your connection: 

Check the box next to Enable HTTP proxy. 
Enter the server name and port number in the spaces provided. (You may
be able to find this information in your browser, or you may need to ask
your System Administrator for assistance.) 
If you are behind a router that does not allow anything except HTTP
requests to go through but does not use an HTTP proxy server, check the
box next to Firewall with no proxies. 

If your Internet connection involves a SOCKS proxy, follow these steps
to configure Messenger to work through your connection: 

Check the box marked Enable SOCKS proxy. 
Enter the SOCKS proxy server address and port number. (Please Note: You
may have one even if it isn't listed in your browser's configuration.
Your System Administrator should be able to provide you with this
information.) 
Specify whether you are using a version 4 or 5 SOCKS proxy. 
Specify any SOCKS proxy authentication (if necessary).
Once you have entered the necessary information, click the Apply button
and then OK to put your new settings into effect. Then open the File
menu, choose Login, and click the Login button. 

If you have configured Messenger's proxy settings but are still unable
to connect, please contact your network administrator. 

Please Note:  If you are a network administrator and you wish to know
what ports Messenger uses, this is the order in which Messenger scans: 

5050 
80 
All available 


 Voice chat data packets are sent by this server using both TCP and UDP.
TCP packets that are sent to a user's computer originate from source
ports 5000 and 5001. UDP packets that are sent to a user's computer
originate from source port 5000 and are addressed to a port in the range
5000-5010 on the user's computer.

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