Squid Proxy Server 3.1 Beginner's Guide

Time for action – denying miss_access to neighbors

To force other proxy servers to use our proxy server as a sibling proxy server, we have an access rule miss_access . Let's say we have two neighbor proxy servers, namely, 192.0.2.25 and 198.51.100.25, in our network. Now, we don't mind if 192.0.2.25 uses our proxy server as a parent proxy server, but we don't want to allow 198.51.100.25 to fetch MISS(s) via our proxy server. So, we can have the following configuration:

acl good_neighbour src 192.0.2.25
acl bad_neighbour src 198.51.100.25
miss_access allow good_neighbour # This line is not needed. Why?
miss_access deny bad_neighbour
miss_access allow all

The default behavior is to allow all proxy servers to fetch MISS(s) via our proxy server. In ...