Squid proxy server iso9/17/2023 ![]() For this reason clients systems are often configured or forced to use a caching proxy to access the web.Ī proxy is only useful if client browsers are configured to use it instead of connecting to web sites directly. Because one of the main tasks of a proxy is caching pages requested by clients, any page asked for more than once will be returned from the cache instead of being fetched from the originating server. Large organizations and ISPs with many client PCs accessing the web may also want to run a proxy server to reduce the load on their networks. Because being able to view web pages is extremely useful, a proxy is often set up so that websites can be accessed through it. This may be done for security reasons, or to limit what employees can access on the Internet. Many companies and organizations have their firewalls set up to block all incoming and outgoing traffic by systems on internal LANs. A proxy is also used for caching commonly requested pages so that if more than one client wants to view the same page it only has to be downloaded once. Proxies are used on networks where clients do not have direct access to the Internet but still need to be able to view web pages. ![]() ![]() 8 Creating and editing proxy restrictionsĪn HTTP proxy server is basically a program that accepts requests from clients for URLs, fetches them on behalf of the client, and returns the results to the client.3 Changing the proxy ports and addresses.
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