Re: OT: Blocking IP range in apache2 ubuntu server

On Jan 16, 2008 10:56 AM, Steve Flynn <anothermindbomb@xxxxxxxxx> wrote:
On Jan 16, 2008 3:44 PM, Craig Puchta <craig@xxxxxxxxxxxxxxx> wrote:

That worked perfectly. Thank you!
Can you explain how you come up with the 255.255.0.0 ? I like to understand
why something works rather than just following directions :)

You want to be teaching yourself about the joys of subnet masks
(http://en.wikipedia.org/wiki/Subnet_mask).


Also, read this stuff:
http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing
http://www.subnet-calculator.com/cidr.php
http://grox.net/utils/whatmask/

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