Re: What is "/24" in front of the IP number?

[Peter Lukas <plukas () oss uswest net>]

That's CIDR notation for a class C network (a netmask of
255.255.255.0).  For your entry, you can create two rules for the
networks you wish to designate.

Read more about it at:
IPCHAINS HOWTO:
http://www.linux.org/docs/ldp/howto/IPCHAINS-HOWTO.html
RFC 1518:
http://info.broker.isi.edu/in-notes/rfc/files/rfc1518.txt

Peter Lukas

On Tue, 31 Oct 2000, [iso-8859-1] Fabio Losnak wrote:

> Nowadays I'm working with firewall linux, and I'm
> configuring one in a client organization. I found in
> the script who apply the rules of the firewall
> (IPCHAINS) the follow lines:
>
> INT0="eth0"
> IP0="192.168.1.125/24"
> NET0="192.168.1.0"
>
> What is "/24" in the IP number?
> Can I put two networks in the same variable? Exemplo:
> NET0="192.168.1.0,192.168.10.0" It's correct?
>
> Thank's
>
> Fabio
>
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