need some small help with iptables

[Jay]

On Thu, 22 Aug 2002, technomage wrote:

> here are the addresses I really wish to block:
>
> 65.218.172.208-223


65.218.172.208/28
255.255.255.240


> 63.99.64.64-127


63.99.64.64/26
255.255.255.192


> 65.192.*


65.192.0.0/16
255.255.0.0


> 65.118.41.192-223


65.118.41.192/27
255.255.255.224


> 63.148.99.224-255


63.148.99.224/27
255.255.255.224


> 63.64.*


63.64.0.0/16
255.255.0.0


> 209.244.*


209.244.0.0/16
255.255.0.0


> most of the "strange activities" have been related to attempted breakins
> (hacking/cracking), DoS, and other such nonsense. given stories of late in /.


If you are worried about your system's vulnerabilities or security
threats, support a local business (and PLUG members too) - hey, it only
costs $10 per IP address:

  http://www.edgeos.com


> if someone would be so kind as to help me figure out the netmask notations on
> the above, I would greatly appreciate it.


A google search for "subnetting" and/or "learn subnetting" would help out
too. It's really very simple once you understand the theory (just binary).
:)

~Jay




>
> Thanks
>
> Technomage
>
>

-- 
~Jay