4 things about Squid Swap Directories

A few things you need to know about Squid Swap Directories
1. Do not erase or delete using linux delete command. It can cause Swap Directories DIRTY.
2. You do not need to erase or delete Squid Swap Directories if you have no_cache deny (an instruction in squid for no-cache proxy) in squid.conf. Squid need that Swap [...]

Disable Cache in Squid 2.5

Add/modify squid.conf :
#no local caching
maximum_object_size 0 KB
minimum_object_size 0 KB
# specify uncachable requests
acl all src 0.0.0.0/0.0.0.0
no_cache deny all

or
# caches nothing based on time
acl Working time 08:00-16:00
no_cache deny Working

# avoid having a cache directory
cache_dir null /tmp
or
cache_dir null /null

High Anonymous Proxy (squid 2.5) : header_replace User-Agent

UPDATED
We can’t see the latest yahoo pages if ‘header_replace User-Agent’ set to ‘unknown’ or anonymous User-Agent. To avoid this, change into :
header_replace User-Agent Mozilla/5.0 (en) Gecko/20070515 Firefox/2.0.0.4
or
header_access User-Agent allow all
before
header_access Deny deny all

High Anonymous Proxy (squid 2.5)

UPDATED
I manage squid 2.5 to become high anonymous proxy.
# cd /usr/local/etc/squid
# vi squid.conf
Change this in #Miscellanous
forwarded_for off
[client ip won't recognize]
Add this to #Miscellanous
header_access Allow allow all
header_access Authorization allow all
header_access Cache-Control allow all
header_access Content-Encoding allow all
header_access Content-Length allow all
header_access Content-Type allow all
header_acccess Date allow all
header_access Expires allow all
header_access Host allow all
header_access If-Modified-Since allow all
header_access Last-Modified allow [...]