SQUID is a highâ€performance proxy caching server for web clients, supporting FTP, gopher, and HTTP data objects etc. By default it listen on TCP 3128 port. Following iptables rules allows SQUID incoming client request (open TCP port 3128) for server IP address 202.54.1.20:
iptables -A INPUT -p tcp -s 0/0 –sport 1024:65535 -d 202.54.1.20 –dport 3128 -m state –state NEW,ESTABLISHED -j ACCEPT
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iptables -A OUTPUT -p tcp -s 202.54.1.20 –sport 3128 -d 0/0 –dport 1024:65535 -m state –state ESTABLISHED -j ACCEPT
Posted by: Vivek Gite
The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.
14 comment
sir,
how r u.my proluem is i want linux squid proxy server + linux firewall and dhcpd server configur name and mac address based.kindly send me mac address
configuration.
Thanx
plz sir I install linux AS 3 squid is run proprely but Transparent Proxy not run plz sir give me detail information on Transparent Proxy and configuration.
Thanks
Shahbaz
Hi
Both of you dear Contact me at my email address ejaz@beaconet.net
its a simple and easy configuration ok
take care
FE AMAN ALLAH
hi sir some sites not open my local DNS iam useing linux server not open some sites
i did install a squid proxy server (white box)
but how to connect a system with this proxy server while the client system ” white box ” in text mode
Hello
I want to configure squid as a linux server to sharing of net on xp machine as a client.
Plz tell me about squid configuration on linux server and xp client.
Thanks
hi
sir m using squid for non-transparent proxy server with iptable .plz tell how i will configure it .m using squid 2.6.19 stable
Sir, still iam now using Advanced Server 2. but I am now tray to stable
2.6 how to configure proxy server and how working in internet ….
Dear sir how can I restrict to browse some sites from my local network using proxy server and how can I configur to all my user control from proxy server?
Dear Sir, how to configure the proxy server to allow access to a single site to all clients on my network ?
Thanks in advance.
sir,
i am connected internet connection through fedora13 in iptables,
some web sites are blocking in ip tables, i have accept this website only my pc.
tested. not working on centos.
Squid doesn’t talk to the internet on 3128. It listens on 3128. So you have to remove –sport 3128 from your OUTPUT chain.
[you] (random high port) >=====> (3128) [squid]
[squid] (random high port) >=====> (80) [internet]
Also the connection it’s making on your behalf is NEW.