правило в squid.conf для youtube

>Как сделать так чтоб youtube.com остался?

Для начала запостить совй squid.conf сюда.

http_port 3128
hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
no_cache deny QUERY
cache_dir ufs /var/spool/squid 500 16 256
dns_defnames on
auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern .               0       20%     4320
acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl laptops src 192.168.1.3 192.168.1.33-192.168.1.64
acl to_localhost dst 127.0.0.0/8
acl SSL_ports port 443 563
acl Safe_ports port 80          # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443 563     # https, snews
acl Safe_ports port 70          # gopher
acl Safe_ports port 210         # wais
acl Safe_ports port 1025-65535  # unregistered ports
acl Safe_ports port 280         # http-mgmt
acl Safe_ports port 488         # gss-http
acl Safe_ports port 591         # filemaker
acl Safe_ports port 777         # multiling http
acl CONNECT method CONNECT

acl ad url_regex "/etc/squid/ads.list.txt"

http_access deny ad
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow laptops
http_access allow localhost
http_access deny all
http_reply_access allow all
icp_access allow all
deny_info http://192.168.1.2/1x1.gif ad
deny_info http://192.168.1.2/1x1.gif flash
coredump_dir /var/spool/squid

acl youtube dstdomain youtube.com youtube.ru
или 
acl youtube url_regex .youtube.com .youtube.ru

http_access deny ad ! yuotube

спасиб! (после ! пробел - лишний)