8/21/2023 0 Comments Ip and port info squidman# set this system as a router for Rest of LAN Iptables -A INPUT -i $INTERNET - m state -state ESTABLISHED ,RELATED -j ACCEPT # Load IPTABLES modules for NAT and IP conntrack support Script first configure Linux system as router and forwards all http request to port 3128 (Download the fw.proxy shell script): # iptables -t nat -A PREROUTING -i eth0 -p tcp -dport 80 -j REDIRECT -to-port 3128 Next, I had added following rules to forward all http requests (coming to port 80) to the Squid server port 3128 using the iptables command # iptables -t nat -A PREROUTING -i eth1 -p tcp -dport 80 -j DNAT -to 192.168.1.1:3128 Here is the complete listing of nf for your reference (grep will remove all comments and sed will remove all empty lines, thanks to David Klein for quick hint ): ![]() http_access allow lan: - same as above.http_access allow localhost: Squid access to LAN and localhost ACL only.acl lan src 192.168.1.1 192.168.2.0/24: Access control list, only allow LAN computers to use squid.httpd_accel_uses_host_header on: Header is turned on which is the hostname from the URL.httpd_accel_with_proxy on: Squid act as both a local httpd accelerator and as a proxy.httpd_accel_port 80: 80 is port you want to act as a proxy.httpd_accel_host virtual: Squid as an httpd accelerator.Modify or add following squid directives: I am going to configure the proxy server by adding following directives. Step #3: Run scripts and start squid serviceįirst, Squid server installed (use the up2date command to install squid proxy server).b)ğorward all http requests to 3128 (DNAT).Step #1 : Squid configuration so that it will act as a transparent proxy. ![]() I left this page up and running for historical reasons. Why? Because HTTPS is designed to prevent “man in the middle” attacks, setting up squid in such for HTTPS is a bad idea because the SQUID will turn into a “man in the middle” attack vector. ![]() These days, setting up squid as a transparent proxy makes no sense because of HTTPS. WARNING! This page was initially created in the 2000s when HTTPS was rare.
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