Some problem with firewall/routing

From: Robert (robert_at_jcle_____.com)
Date: 05/14/04 

Date: Fri, 14 May 2004 12:10:40 -0400

Linux version:
Red Hat Linux release 7.2 (Enigma)

Only the firewall/router is linux. All other are windows XP/98

Something wierd happens right now in my network.
I can use intranet, I can use internet.
Email software, outlook, work without any trouble.
Kazaa works on every workstation. (All are windows desktop)
Even Skype (Telephony over internet) work at 50% of his capability.

But, www.hotmail.com does not work! MSN Messenger does not work!
Everything else work almost flawless.

If i go to www.hotmail.com, the web page show the error DNS Error.
If i open msn messenger, "... problem with your internet connection. ...
0x81000370"

It seems there's a problem with either my network, internet (my ISP) or with
Hotmail/MSN.
It can be Hotmail/MSN, because it work everywhere else outside my network.
I'm using the same ISP at work and at home, and it work at home. So this can
only be my network.

2 days ago, my linux stop doing the routing. I restart it, and the routing
restart.
But there MSN does not work. So it seems there is something to do from my
router to allow MSN to connect. But i have no idea what is it.

If you have an idea of what's wrong, can you write me back?
Thanks a lot, it will make me very happy ;)

Bye,

Robert

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