Manual:Squid caching/Simple config
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How to configure Squid as a reverse proxy for a small wiki (only one server, a few web sites) ?
Apache runs on the port 81.
Here is my config for Squid (/etc/squid/squid.conf):
http_port 80 defaultsite=mysite.com vhost cache_peer x.x.x.x parent 81 0 no-query originserver acl apache rep_header Server ^Apache broken_vary_encoding allow apache cache_dir ufs /var/spool/squid 10000 16 256 cache_mem 256 MB maximum_object_size_in_memory 32 KB logformat common %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st %Ss:%Sh logformat combined %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st "%{Referer}>h" "%{User-Agent}>h" %Ss:%Sh access_log /var/log/squid/access.log squid cache_log /var/log/squid/cache.log cache_store_log /var/log/squid/store.log hosts_file /etc/hosts refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern . 0 20% 4320 acl all src 0.0.0.0/0.0.0.0 acl mydomain dstdomain mysite.com acl myweb src x.x.x.x acl manager proto cache_object acl localhost src 127.0.0.1/255.255.255.255 acl to_localhost dst 127.0.0.0/8 acl SSL_ports port 443 # https acl SSL_ports port 563 # snews acl SSL_ports port 873 # rsync acl Safe_ports port 80 # http acl Safe_ports port 81 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 777 # multiling http acl Safe_ports port 631 # cups acl Safe_ports port 873 # rsync acl Safe_ports port 901 # SWAT acl purge method PURGE acl CONNECT method CONNECT http_access allow manager localhost http_access deny manager http_access allow purge localhost http_access allow purge myweb http_access deny purge http_access deny !Safe_ports http_access allow localhost http_access allow all http_access allow mydomain http_access deny all http_reply_access allow all icp_access allow all cache_effective_group proxy coredump_dir /var/spool/squid forwarded_for on emulate_httpd_log on redirect_rewrites_host_header off buffered_logs on