EnServe Users Manual
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Web Caching Services

The EnServe can act as a caching proxy server, speeding up web access for all the computers on your network.

It acts on behalf of your web-browser to access web pages on the Internet and speeds up the display of web pages using a technique called web page caching.
(in legal terminology someone working on your behalf is working as your proxy)

What is a Caching Proxy Server?

Usually when you use a web-browser like Internet Explorer™ to view a web page your browser requests the files that make up the web page directly from the Internet.
Once the files are downloaded to a temporary storage space on your computer your browser then formats and displays the page in your browser.

However, when using the EnServe as a caching proxy server your browser asks the EnServe rather than the web site for the files that make up the web page.
The EnServe then checks to see if it already has a copy of those files on it's hard disk and if the original page has changed since any copy was made.
If the EnServe does not have an up-to-date copy it requests the files from the Internet and makes a copy on it's hard disk before passing a copy to your browser to display.
When the EnServe does have an up-to-date copy of the files it sends your browser the files from it's hard drive rather than waste time and bandwidth downloading it from the Internet.

Most modern browsers offer a caching feature of their own but as the files are only copied to your computers hard disk other network users do not benifit from a speed increase when accessing pages cached by your browser.

By using the EnServe as the cache all network users benifit when accessing pages it has a copy of.

EnServe also comes with JunkBuster which is another proxy that can sit inbetween your browser and the Web Cache. The purpose of this proxy is to filter our Ads, block cookies and add some additional privacy checks.

You do NOT need to use Junkbuster - it is optional, if you, you will automatically be using the primary Web Cache as well.

Configuring your browser to use the EnServe as a Caching Proxy Server.

Details of how to set up your web browser to use a proxy server should be detailed in your browsers documentation. SOme of the common browsers are listed below:

The 'port' you specify controls whether you are using just the primary cache (port 3128) or JunkBuster (port 8000).


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