Squid Refresh_pattern Explained

Squid configuration directive refresh_pattern Available in: v7 v6 v5 v4 3.5 3.4 3.3 3.2 2.7 3.1 3.0 2.6 This directive is not available in the v8 version of Squid. For older versions than v5 see the linked pages above. PFSense - Squid - Refresh Patterns Refresh patterns determine what is saved and served from the cache.

Ideally, you would want your squid to follow the directions of the Web servers serving the content to determine what is cacheable and for how long. These directions are set as HTTP headers that are processed and understood by Squid. The refresh_pattern rules apply only to responses without an explicit expiration time.

Origin servers can specify an expiration time with either the Expires header, or the Cache-Control: max. Refresh patterns determine what is saved and served from the cache. Ideally, you would want your squid to follow the directions of the Web servers serving the content to determine what is cacheable and for how long.

These directions are set as HTTP headers that are processed and understood by Squid. All these things have much duplication that reduces cache efficiency. 🔗 Marks of dynamic content in URL squid applies a refresh pattern acl on Dynamic Content marks in the URL such "?" and "cgi-bin" by default.

refresh_pattern. reports the configured pattern or a fake pattern of the implicit rule Definition: refresh.cc:728 RefreshPattern:ignore_no_store bool ignore_no_store Definition: RefreshPattern.h:65 RefreshPattern:regex const RegexPattern & regex () const configured regex; do not use except when iterating configured rules Definition: refresh.cc:721. Refresh_pattern-I \.

bmp $1440 90% 129600 reload-into-ims Refresh_pattern-I \. js $1440 90% 129600 reload-into-ims Ignore-reload This option causes squid to ignore any no-cache commands in the request. So.

If you want the content to enter the cache, it will not be deleted until it is actively purged. The above describes the Urlpattern on squid refresh_pattern Some of the understanding and suggestions, including the urlpattern aspects of the content, I hope that the PHP tutorial interested in a friend helpful. List of dynamic_refresh patterns to use with squid3, and pfsense, I had a hard time finding things online, so I figured I'd make a collaborative github repo for just this purpose.

This list, is directly designed to be used with the pfsense squid package, however these refresh patterns should also work without using the pfsense specific squid package. I am unable to confirm if they will work. Namerefresh_patternSynopsisThis directive provides a way to customize Squid's algorithm for validating responses.

HTTP has a relatively complex procedure for determining - Selection from Squid: The Definitive Guide [Book].