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Disabling services from using port 80

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5 replies

by wjlyle

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A number of new applications like realaudio and windows media player have started allowing users to configure them to use port 80 instead of the ports that were initially set to use. We have Microsoft Proxy Server 2.0 which allow us to restrict access to ports, but can it be configured to restrict access to services trying to use port 80 without restricting a browser?

5 replies

by otto3

MS Proxy 2.0 doesn't support content filtering and blocking port 80 would restrict browser access. However, under the Proxy properties, there is a link for "plug-ins..". Most of these plug-ins are a variation of port controls and log analyzers, but X-Control might have what you are looking for. Alternatively, you could start monitoring access for realaudio connections and block the sites in question.
It would prove to be easier, if you could disable those application in the domain policy.

Otto

by michelm

I think what you want to do cannot be done on the server. Either you use a specific firewall on the PC who can do that (like ZoneAlarm from www.zonelabs.com) or you disable the target address (url) these applications are using,

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