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Posted by Todd H. on October 25, 2005, 9:35 am
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kasumi0044@yahoo.com.hk writes:
> Dear all,
>
> In my office environment, I have a DHCP server and I manually set all
> PC with a proxy configuration script so that users PC knows where to
> get a proxy server to browse internet. No direct connection to the
> internet is allowed.
>
> For those visitors without the proxy configuration script set, I want
> them to be shown a default home page (which shows how to set the proxy
> settings) whenever they try to browse whatever addresses in the
> internet.
>
> How can I do that?
One fairly foolproof way involves having the DNS return an internal
web server address for any request that results in a not found. How
specifically to do that depends on the rest of your network. This
seems to be how paid wireless access points do their work redirecting
you to the credit card page before letting you out onto the internet.
Auto Proxy technology is also out there, (but is so 1998). This blog
entry i stumbled upon googling might be of interest to ya:
http://www.markwilson.co.uk/blog/2005/07/configuring-web-proxy-auto-discovery.htm
Best Regards,
--
Todd H.
http://www.toddh.net/
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