SERVER PROXY COMMUNICATION

I need some clarification on the Proxy Server. When you configure the Web browser like IE or Firefox to use a Proxy Server for communication (for all the protocols includng HTTP/FTP/GOPHER etc) doesn't work, it uses the same port for all communications? If Yes, is it possible to limit access to the network on the proxy server? Lets say I want some users to have only web access and some FTP. Is this possible with this kind of Setup?

Thank you

All traffic between clients > proxy server on the port of the proxy server. Then the 'sources' proxy / proxies a 'new' connection with its IP address as the source and the destination. Of course, there are different types of proxy servers also anonymous, transparent etc, but it's normal behavior. But almost all proxy servers allow you to control what use that can access what protocols for example MS ISA. This can be done on the basis of the IP/name of user/Machine etc.

Concerning

Farrukh

Tags: Cisco Security

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