On 5/05/2014 6:07 p.m., Mario Almeida wrote: > Hi All, > > OS: Centos 6.5 64bit > Squid: 3.4.4 > > How to setup dynamic caching of youtube, facebook etc.. > Caching of dynamic content is enabled by default in all squid-3.1 and later. If you have a squid.conf configured using settings imported from older versions or from documented written for older versions please start with a review of your use of "cache " directive and remove the QUERY ACL. Then ensure you have the new default cgi-bin refresh_pattern: <http://wiki.squid-cache.org/SquidFaq/ConfiguringSquid#Do_you_have_a_squid.conf_example.3F> In regards to the particular examples you ask about; both of those sites content is cacheable and are already cached by Squid. * facebook the only problem is the HTTPS encryption. Removing that encryption and/or forcing caching is a direct violation of the end users privacy rights and often illegal, YHBW. <http://wiki.squid-cache.org/Features/SslBump> * youtube the content distribution by design and with active enforcement from the publisher/copyright holder uses methodology preventing optimal cache usage. The Store-ID feature can be used to de-duplicate a certain amount of content duplication caused as a result of that design. But only up to a point. <http://wiki.squid-cache.org/Features/StoreID> HTH Amos