ipchains:: Protocol not available

Ginetto · 07-15-2003, 10:24 AM

Hi,
This problem (ipchains: Protocol not available) on a RH 7.3 machine is hampering me very much!
I give this command as root:

root~> /sbin/ipchains -A input -p tcp -d $HOSTNAME --dport 80 -j DENY

and I get:
ipchains: Protocol not available

What's wrong with that? Can anyone help me?
Thanx

Mathieu · 07-15-2003, 10:30 AM

I also have RedHat 7.3 and this is the problem.

RedHat 7.3 uses kernel 2.4
Ipchains is supposed to be used with kernel 2.2

Therefore you should use iptables.
iptables will work with kernel 2.4

That is why ipchains and lokkit do not work in RedHat 7.3

Ginetto · 07-15-2003, 10:40 AM

If I'll move to iptables in which way can I "translate", for example, this command:

--> ipchains -A input -p tcp -d $HOSTNAME --dport 80 -j DENY

--> iptables --????

Mathieu · 07-15-2003, 10:54 AM

It would be

Code:

iptables -A INPUT -p tcp -d $HOSTNAME --dport 80 -j DROP

There are some differences between ipchains and iptables.
Take a look at the MAN page of iptables for more informations.

Ginetto · 07-15-2003, 10:59 AM

quote:
There are some differences between ipchains and iptables.
Take a look at the MAN page of iptables for more informations.

It is what I'm doing

Thanks!