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

[Rob Horne <rob.horne () wickhill co uk>]

Welcome to slash notation... "/24" is the number of bits in the subnet mask.
So /24 = 255.255.255.0.

Rob


> -----Original Message-----
> From: Fabio Losnak [SMTP:fabiolosnak () yahoo com]
> Sent: Tuesday, October 31, 2000 12:44 PM
> To:   firewall-wizards () nfr com
> Subject:      [fw-wiz] What is "/24" in front of the IP number?
>
> 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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