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Whats the port no for Yahoo Messenger

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Name: Charles
Date: June 25, 2002 at 02:09:43 Pacific
Comment:

Dear peoples,

I am currently planning to use my Netscreen firewall to block the access of Yahoo Messenger but the current practise also block the access of Yahoo Mail together, any alternative for just block the messenger but not the mail?

regards,

Charles



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Response Number 1
Name: Stephan Winckler
Date: June 25, 2002 at 07:56:34 Pacific
Reply:

my alternative would be to move your mailbox to a more decent program like outlook and just add a new account and remeber the POP3 and the other one is eg. pop3.yahoo.com

and i think thats easy


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Response Number 2
Name: bob
Date: June 25, 2002 at 12:05:41 Pacific
Reply:

using pop3 with yahoo and a mail program is no longer free.

just thought id let you know


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Response Number 3
Name: berna
Date: June 26, 2002 at 10:16:05 Pacific
Reply:

try to go to this site and look for the port no. of yahoo messenger.

http://www.iana.org/assignments/port-numbers

hope this could help you.


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Response Number 4
Name: Bob
Date: August 1, 2002 at 08:29:37 Pacific
Reply:

Yahoo! Messenger uses these ports (AFAIK):

5101/TCP: peer-to-peer
5050/TCP: client/server

It may also attempt to use the following ports for server communications:

20/TCP
21/TCP
25/TCP
37/TCP
80/TCP
119/TCP

A better answer may be to block access to the servers. I think cs.yahoo.com is one of these.


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