full-disclosure - Strange behavior in Windows 98 and 2000

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Message-ID: <3F7A2A0E.6080804@gs2.com.br>
From: bugtraq at gs2.com.br (Fabio Gomes de Souza)
Subject: Strange behavior in Windows 98 and 2000

Hi,

Some of the Windows 98 and 2000 boxes of my customers are suddenly 
losing their TCP/IP functionality. After a reboot, they become normal 
again for some time until the TCP/IP stack gets crazy again.

- After the craziness takes place, Win2K it is still able to reach the 
local network, but it won't cross any router.

- Windows 98 does not even reach the local net.

- Both systems are able to ping the local net and the outside.

- Current TCP connections still work, but you cannot establish new ones.

- Both systems are behind linux NAT firewalls.

Weird. Are you guys noting the same behaviour?

I'm scared. :D

Fabio Gomes de Souza