hosts.deny script

[jdow]

From: "Steven J Lamb" <redhattedsheep at adiis.net>

>I am trying to create a script to block people using hosts.deny. I realize 
> that I should just block everyone and then open access for those whom I know 
> I trust but because of the nature of our network this is not possible. 
> basically I check log files for login attempts every five minutes and block 
> those that attempt to log in more than 3 times that day. this is all working 
> great but my problem is this. I sometimes get log entries with the symbolic 
> address instead of the ip. how do I convert these in a systematic way and 
> not have a problem when I run IPs through it. I'm sure this is an easy task 
> but I don't now what tool to use.
> 
> thanks for your help
> 
> Steven Lamb

man host

Maybe that would help.
{^_^}