Configure Squid

Edit squid.conf as follows:

/usr/local/plone/mydomain.com/parts/squid-instance/squid.conf

# This configuration file requires squid 2.6+.  It is untested with squid 3.x.

visible_hostname mydomain.com
cache_effective_user zadmin
cache_effective_group www
http_port 127.0.0.1:8902 vhost defaultsite=mydomain.com
pid_filename /usr/local/plone/mydomain.com/var/squid.pid
icp_port 3131

## Log files (http://wiki.squid-cache.org/SquidFaq/SquidLogs)
cache_access_log /usr/local/plone/mydomain.com/var/log/squid-access.log
cache_log /usr/local/plone/mydomain.com/var/log/squid-cache.log
cache_store_log none

# Cache storage
cache_dir ufs /usr/local/plone/mydomain.com/var/squidstorage 800 16 256
cache_mem 64 MB
maximum_object_size 10 MB
maximum_object_size_in_memory 1 MB

# Purge access - zope servers can purge but nobody else
# (works best if Zope and Apache are on different IPs)
acl zope_servers src 127.0.0.1
acl purge method PURGE
http_access allow zope_servers purge
http_access deny purge

# Deny caching of POST requests
acl post_requests method POST
cache deny post_requests

# Cache Peers
cache_peer 127.0.0.1 parent 8901 0 no-query originserver login=PASS name=server_0


# Cache Peer Access
acl all src 0.0.0.0/0.0.0.0

cache_peer_access server_0 allow all

Start Squid

# cd /usr/local/plone/mydomain.com
# chown -R zadmin:www ../mydomain*
# ./bin/squid -z -f /usr/local/plone/mydomain.com/parts/squid-instance/squid.conf
# ./bin/squid-instance