acl all src all
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl to_localhost dst 127.0.0.0/8

#(define users who could use squid here)
http_access allow all 
acl_uses_indirect_client off

(uses no standar port so users can't find it)
http_port 55555 transparent 
cache_mem 32 MB
cache_dir ufs /var/spool/squid 5000 16 256
access_log /var/log/squid/access.log squid
cache_mgr v@mail.ru
httpd_suppress_version_string on