Sounds like you had some negative caching somewhere, where the machine
cached the fact that some URL was inaccessible. This could have happened
either in the DNS components of squid, the http components of squid, or
either of those in the windows box, depending on exactly how you were
set up at the time. It could also have been that your squid service died
for some reason, and the windows machine was pulling the pages it could
from its browser cache. Another thing to check on IE is the "Work
Offline" setting. Really stupid things can happen when that gets turned
on. 

On Wed, 2003-05-28 at 02:14, Alvaro Zuniga wrote:
> Dear friends:
> I had an episode with smoothwall/squid a couple days ago. The network 
> was acting weird,  some urls went throug fine while others would not do 
> anything. Literally,  I had no problem with google,  yet cnn.com did not 
>   reach and it gave a DNS error.
> 
> I for a day or so I  thought there was a big network problem somewhere, 
> however, after that I decided to test the systems with a different DNS 
> and to my surprise everything was working just fine. I looked at the 
> logs of the firewall/proxy and did not see anything. I decided to reboot 
> ther server like a windows machine and everything was fixed after that.
> 
> I am very curious to know what happened there. I am not familiar with 
> squid or any proxy server for that matter. I  am certain that that was 
> the problem because of all the tests I did. could any one tell me wassup 
> with that?
> 
> Thanks,
> 
> 
> Alvaro Zuniga
> 
> 
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