Re: Modifying scans done on certain types of hosts

On Tue, Jul 13, 2004 at 04:55:40PM -0700, m3lk0rz ... wrote:
> >- Reverse DNS isn't always there.
> 
> Right, though this wasn't something that was an absolute neccessity. It was 
> just curious as to how I could do this as an easy way to limit the amount 
> of scanning done. Since these short-lived dialup connections are not likely 
> to be among the proxies that troublemakers exploit, I feel that it would be 
> sufficient to just scan them for the most common proxies.
>

If you know any C you could probably modify the code to read a negation character 
at the beginning of the mask and store a negation flag.

-Erik