http://ru.wikipedia.org/wiki/Squid

• !!!! Проверить наличие FQDN в /etc/hosts !!!

root@gate:~# apt install squid

gate# /etc/squid/squid.conf

...
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
...
#http_access allow localnet
acl our_networks src 192.168.X.0/24
http_access allow our_networks
...

gate:~# squid -k check

gate:~# squid -k reconfigur

gate:~# tail -f /var/log/squid/access.log