On Sun, 21 Sep 2003, Alan Lehman wrote:
> I recently added a PPP dialin server on my network on which I have a
> Squid proxy box. The dialin clients can browse the internet with Mozilla
> via Squid. They can also ping and telnet to the Squid box. IE6 however
> gets no response from Squid. Unfortunately our company policy requires
> we use IE on the clients.
>
> The same client systems works fine with IE via the same Squid box when
> directly connected to the local network and using the same proxy
> configuration.
Sometime ago I ran accross an article in Microsoft's Knowledgebase that
indicated that Internet Explorer ignores proxy settings that had been
established while the system was connected when the system is connected via
a dial-up connection. For systems connected via a dial-up to use automatic
detection, the DNS method of detection needed to be used, i.e. you need to
have WPAD defined in your domain's zone file that is a CNAME for a web
server that has a "proxy.dat" file in its document root directory.
There was also a caveat for Windows 2000 that the file name be all lower
case.
Merton Campbell Crockett
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