Tuning and hardening Squid will be the topic of this post, where tuning means making it a little bit faster and hardening means less vulnerable to malicious use. The default installation of Squid on a Debian box has a lot of features enabled which most likely aren’t used: we want to turn these off. Then there might be situations where you probably want to use Squid but don’t want it to function as a cache: we’ll investigate this too.

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