ola pessoal acabei voltando ainda não consegui agora meu cenário mudou
meu novo squid.conf
http_port 3128
cache_dir aufs /var/spool/squid3 81920 16 256
cache_mem 512 MB
maximum_object_size 131070 KB
minimum_object_size 0 KB
maximum_object_size_in_memory 8 MB
cache_mgr adm@timevideo.com.br
visible_hostname srvlinux
error_directory /usr/share/squid3/errors/pt-br
coredump_dir /var/spool/squid3
logfile_rotate 120
shutdown_lifetime 1 second
hierarchy_stoplist cgi-bin ?
#Cache windowsupdate
refresh_pattern windowsupdate.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern download.microsoft.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern
www.download.microsoft.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern
www.microsoft.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern au.download.windowsupdate.com/.*\.(cab|exe|dll|msi) 4320 100% 43200 reload-into-ims
refresh_pattern download.windowsupdate.com/.*\.(cab|exe|dll|msi) 4320 100% 43200 reload-into-ims
refresh_pattern
www.download.windowsupdate.com/.*\.(cab|exe|dll|msi) 4320 100% 43200 reload-into-ims
refresh_pattern pupdate-af.avg.com/.*\.(bin) 4320 100% 43200 reload-into-ims
refresh_pattern personal.avira-update.com/.*\.(cab|exe|dll|msi|gz) 10080 100% 43200 reload-into-ims
refresh_pattern liveupdate.symantecliveupdate.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern symantecliveupdate.com/.*\.(cab|exe|dll|msi) 10080 100% 43200 reload-into-ims
refresh_pattern avast.com/.*\.(vpu|cab|stamp|exe) 10080 100% 43200 reload-into-ims
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
refresh_pattern . 0 20% 4320
#logformat combined %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %# Log de acesso
access_log /var/log/squid3/access.log
# Log de cache
cache_log /var/log/squid3/cache.log
########### AUTENTICA��O ######################################################
auth_param basic program /usr/lib/squid3/ncsa_auth /etc/squid3/squid_passwd
auth_param basic realm Autentique-se para Acessar a INTERNET
auth_param basic children 10
auth_param basic credentialsttl 15 minutes
auth_param basic casesensitive off
######################### ACLs ##################################################
acl all src
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl redelocal src 192.168.0.0/24
acl SSL_ports port 443 # Ports ssl
acl SSL_ports port 563 # snews
acl SSL_ports port 873 # rsync
acl SSL_ports port 10000 # porta webmin
acl Safe_ports port 8027
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 403 # msn
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 Safe_ports port 631 # cups
acl Safe_ports port 873 # rsync
acl Safe_ports port 901 # SWAT
acl Safe_ports port 1863 # msn
acl Safe_ports port 5148 # msn
acl Safe_ports port 443 # Porta de seguranca
acl Safe_ports port 563 # porta de seguraca
acl Safe_ports port 8080 # porta usada pelo nota eletronica
acl purge method PURGE
acl CONNECT method CONNECT
##ACLS
#criando ACLs para os usu�rios com acesso livre e restrito
acl autenticados proxy_auth REQUIRED
acl grupo_adm proxy_auth "/etc/squid3/usuarios_administrador"
acl ipliberados src "/etc/squid3/ipliberado"
acl sitesbloqueados url_regex -i "/etc/squid3/dominiosbloqueados"
acl palavrasproibidas url_regex -i "/etc/squid3/palavrasproibidas"
acl sitespermitidos url_regex -i "/etc/squid3/dominiospermitidos"
acl download urlpath_regex "/etc/squid3/download"
#controle de acesso
http_access allow manager localhost
http_access deny manager
http_access allow purge localhost
http_access deny purge
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow ipliberados
http_access allow localhost
http_access deny download
http_access deny palavrasproibidas
http_access deny sitesbloqueados
http_access allow autenticados
http_access deny all
o que eu preciso e não estou conseguindo
tenho uma lista de sitebloqueados quem é administrador pode entrar e outros usuários não
o mesmo para dowload
mais para ser sincero já fiz de tudo e não consigo
se um dos amigos puder me ajudar
fico grato