On Tuesday 28 March 2006 07:38, "Hiren Dave" <hiren2k4@gmail.com> wrote 
about '[gentoo-user] iptables question':
> #service iptables stop
> #iptables -P INPUT DROP
> #iptables -t filter -A INPUT -s 192.168.1.0/24 --dport 80 -j ACCEPT
>
> But this command sends error that "Unknown arg: --dport"
> HOW CAN I ACHIEVE THIS?

Raw IP doesn't have port numbers;  You'll have to match on the TCP or UDP 
protocol to be able to match ports.

> ALSO IS THERE ANY BOOKS OR ONLINE DOCUMENTS FOR PRACTICALLY LEARNING OF
> IPTABLES?

Tldp is a good resource.

-- 
"If there's one thing we've established over the years,
it's that the vast majority of our users don't have the slightest
clue what's best for them in terms of package stability."
-- Gentoo Developer Ciaran McCreesh