Iptable: #Serveur SQUID (3128) iptables -A INPUT -s 192.168.0.0/24 -p tcp --dport 3128 -j ACCEPT iptables -A INPUT -s 10.0.0.0/8 -p tcp --dport 3128 -j ACCEPT iptables -A OUTPUT -d 192.168.0.0/24 -p tcp --sport 3128 -J ACCEPT iptables -A OUTPUT -d 10.0.0.0/8 -p tcp --sport 3128 -J ACCEPT Squid (3): localnet src 192.168.0.0/24 acl localnet src 10.0.0.0/8 acl SSL_ports port 443 # https acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https 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 http_access deny !Safe_ports # Deny CONNECT to other than secure SSL ports http_access deny CONNECT !SSL_ports # Only allow cachemgr access from localhost http_access allow localhost manager http_access deny manager http_access allow localnet http_access allow localhost # And finally deny all other access to this proxy http_access deny all # Squid normally listens to port 3128 http_port 10.0.0.7:3128 # TAG: visible_hostname visible_hostname raspberrypi # Add any of your own refresh_pattern entries above these. 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 #via off forwarded_for off