Myanmar Linux Boy wrote:
Dear All,
I am new to linux.
I want to disable chat with iptables so that nobody can use chat with
mIRC with LAN. Because every students are chatting all the time.
I am using Red Hat 9 and Squid.
They use port 443 and 6667 to chat with mIRC
How can I write firewall rules.
Any help is appreciated
Myanmar Linux Boy
You can write all the rules yourself but that's a real pain in the
bottom. I've been using Monmotha's firewall script for years without
problems. There are also other similar scripts available but I've
gotten used to Monmotha's.
You can download it from
http://monmotha.mplug.org/firewall/firewall/2.3/rc.firewall-2.3.8-pre9
Scroll past all the verbage in the top until you get to Main Options.
You need to edit those to allow the ports you want, identify which
eth0/1 is your internal and external interface and make sure you have
the correct internal lan shown.
The options are described here
http://www.hosef.org/wiki/index.php/MonMothaReferenceGuide
Have fun!!!
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