Squid Proxy Server 3.1 Beginner's Guide

Time for action – joining a cache hierarchy

Let's add two proxy servers to our Squid configuration file:

cache_peer parent.example.com parent 3128 3130 default
cache_peer sib.example.com sibling 3128 3130 proxy-only

So, according to this configuration, parent.example.com is a parent proxy server and sib.example.com is a sibling proxy server.

What just happened?

We just learned how to add a proxy server or neighbors to our Squid configuration file, so that our proxy server can be a part of a cache hierarchy.

Now, let's have a look at the options which can be used to control ICP or HTCP communication.

ICP options

When we configure a peer with ICP communication, we must configure the icp_port and icp_access directives properly. Next, we'll have a look ...