Hi I installed squid3 in my centos 5.5.I tried for transparent proxy which dint work for me. Its working manually after changing in browser.My squid lstens to 4880 port. I have some problems with iptables i think. I am getting following warning when i restart squid. lan0=internet, lan1=local. """"""Stopping squid: ................ [ OK ] 2010/12/17 07:16:43| Processing Configuration File: /etc/squid/squid.conf (depth 0) 2010/12/17 07:16:43| Starting Authentication on port 192.168.0.1:4115 2010/12/17 07:16:43| Disabling Authentication on port 192.168.0.1:4115 (interception enabled) 2010/12/17 07:16:43| Initializing https proxy context Starting squid: . [ OK ]"""""" My squid.conf file changes as follows "" acl localnet src 172.16.0.0/12 # RFC1918 possible internal network acl localnet src 192.168.1.60 192.168.0.0/24 # RFC1918 possible internal network acl SSL_ports port 443 563 # https, snews acl SSL_ports port 873 # rsync acl SSL_ports port 443 acl Safe_ports port 110 #pop3 acl Safe_ports port 25 #smtp acl Safe_ports port 465 acl Safe_ports port 143 acl Safe_ports port 585 acl Safe_ports port 80 # http acl Safe_ports port 993 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 21132 #SharePoint 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 purge method PURGE acl CONNECT method CONNECT 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 localnet http_access allow localhost http_access deny all http_reply_access allow all icp_access allow localnet icp_access deny all htcp_access allow localnet htcp_access deny all 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 http_port 192.168.0.1:4880 transparent always_direct allow all """ iptables rule ""iptables -t nat -A PREROUTING -i eth0 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 4880"" Anything wrong in the above.please help Thanks and Regards Suresh
