Squid proxy only – without caching anything.

You can use the cache access list to make Squid never cache any response:

cache deny all

With Squid-2.7, Squid-3.1 and later you can also remove all ‘cache_dir’ options from your squid.conf to avoid having a cache directory.

With Squid-2.4, 2.5, 2.6, and 3.0 you need to use the “null” storage module:

cache_dir null /tmp

Note: a null cache_dir does not disable caching, but it does save you from creating a cache structure if you have disabled caching with cache. The directory (e.g., /tmp) must exist so that squid can chdir to it, unless you also use the coredump_dir option.

To configure Squid for the “null” storage module, specify it on the configure command line:

–enable-storeio=null,…

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