best Linux Firewall/web proxy server?

[imax36581]

hi my friends
i need your help to find that what is the best firewall/web proxy server in linux?
let me explain better... in our company we have 500 clients .now we have MS ISA server 2006 ,but we want migrate to Linux Firewall/web Proxy.
so what's your choice to use as a Firewall / Web Proxy server?
it Must be stable,powerful,supple.
tell me what is the best and why you choose it?

ubuntu forums is the place that always i can find my answers :)
Thanks in advance

[imax36581]

why no body don't answer me?
is my question agaist the role?

[hyper_ch]

maybe this helps:
http://www.howtoforge.com/ubuntu6.06_firewall_gateway

[lykwydchykyn]

Linux has a firewall engine built in to the kernel, called netfilter. Pretty much every "firewall" program on Linux is just a front-end for netfilter. Depending on your requirements and what sort of interface you like, you can probably find a front end that fits your needs. There are GUIs, Web-based interfaces, and high-level configuration languages if you prefer scripting.

As for proxy, squid is usually the first choice from what I've seen, though it's not the only choice.

[imax36581]

thanks mate
what about IPCOP?

[TreeFinger]

I built a server that acts as a router/firewall/proxy. I don't feel as though I can give you any answers to your questions because you stated that your business has 500 clients and my home network only consists of 2 desktops, web server, and the router/firewall/proxy server.

I use iptables to set firewall rules and forward packets, and squid as my proxy.