Squid cache
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| Developer(s) | Duane Wessels, Henrik Nordström, Amos Jeffries, Alex Rousskov, Francesco Chemolli, Robert Collins, Guido Serassio and volunteers |
|---|---|
| Initial release | July 1996 |
| Stable release |
3.5.25 / 2 April 2017
|
| Development status | Active |
| Written in | C |
| Operating system | BSD, Linux, Unix, Windows |
| Type | Proxy server |
| License | GNU GPLv2 |
| Website | www |
Squid is a caching and forwarding HTTP web proxy. It has a wide variety of uses, from speeding up a web server by caching repeated requests; to caching web, DNS and other computer network lookups for a group of people sharing network resources, to aiding security by filtering traffic. Although primarily used for HTTP and , Squid includes limited support for several other including TLS, SSL, Internet Gopher and HTTPS. Squid does not support the SOCKS protocol.
Squid was originally designed to run as a daemon on Unix-like systems. A Windows port was maintained up to version 2.7. New versions available on Windows use the Cygwin environment. Squid is free software released under the GNU General Public License.
Squid was originally developed as the Harvest object cache, part of the Harvest project at the University of Colorado Boulder. Further work on the program was completed at the University of California, San Diego and funded via two grants from the National Science Foundation. Duane Wessels forked the "last pre-commercial version of Harvest" and renamed it to Squid to avoid confusion with the commercial fork called Cached 2.0, which became NetCache. Squid version 1.0.0 was released in July 1996.
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