http://manpages.songshu.org/manpages/lenny/en/man8/squid.8.html

a webcache for the local network
http://blog.last.fm/2007/08/30/squid-optimization-guide not really sure in how far this optimalisations are optimal for this particulair setting, but it works with or without. and at least for a small office environment i can see no noticable difference with the naked eye.

newvserver --vsroot /VSERVERS --hostname proxy --domain cipar.net --ip 192.168.1.14/24 --dist etch --mirror http://192.168.1.12:3142/debian.apt-get.eu/debian --interface dummy0

Your current time zone is set to Unknown
Do you want to change that? [n]:

Enter for default

 Enable shadow passwords?
<Yes> 

enter the root password

Create a normal user account now?
 <No>    

Choose software to install:
<Ok> 

nano /etc/vservers/proxy/apps/init/mark
default

vserver proxy start
vserver proxy enter

nano /etc/apt/sources.list
deb http://192.168.1.12:3142/security.debian.org/ etch/updates main contrib
deb http://192.168.1.12:3142/ftp.nl.debian.org/debian/ etch main contrib non-free

apt-get update
apt-get upgrade

apt-get install squid3

nano /etc/squid3/squid.conf
dns_nameservers 192.168.1.17
cache_replacement_policy heap LFUDA
memory_replacement_policy heap LFUDA
maximum_object_size_in_memory 50 KB
cache_mem 100 MB
memory_pools off
maximum_object_size 50 MB
quick_abort_min 0 KB
quick_abort_max 0 KB
log_icp_queries off
client_db off
buffered_logs on
half_closed_clients off
http_port 3128 transparent
acl our_networks src 192.168.0.0/24
http_access allow our_networks
forwarded_for off

/etc/init.d/squid3 restart