Squid

Squid Web Proxy Cache

http://www.squid-cache.org/

Squid is

Squid Deployment Process

• a full-featured Web proxy cache
• free, open-source software
• the result of many contributions by unpaid (and paid) volunteers

Squid supports

• proxying and caching of HTTP, FTP, and other URLs
• proxying for SSL
• cache hierarchies
• ICP, HTCP, CARP, Cache Digests
• transparent caching
• WCCP (Squid v2.3 and above)
• extensive access controls
• HTTP server acceleration
• SNMP
• caching of DNS lookups

成功应用

• http://flickr.com
• Mixi目前是日本排名第三的网站，全球排名100名内，其网站采用 Linux 2.6，Apache 2.0，MySQL，Perl 5.8，memcached，Squid等等作为架构的基础。