Hello,
   I have a DSL internet connection using DHCP on my MDK 8.1 system.   I am 
struggling through Oskar's tutorial but with a few changes have actually got 
it to work.   Oskar does comment that he is not entirely satifisfied with his 
approach to the DHCP solution, and he suggests looking for other solutions to 
this problem.   Actually, I have, but have not been able to find any other 
DHCP scripts except Oskar's.   I do understand his reasoning for trying to 
grab the assigned IP instead of leaving a security hole using the standard 
script.  Not knowing what would constitute a "better" solution, being a raw 
newbie on iptables, does anyone else have an alternative solution?

Subscribing to the "less is better" rational, I really do not know what the 
capabilities of iptables actually are with respect to solving common 
problems, which isn't really addressed in Oskar's tutorial, and only touched 
on lightly in Rusty Russels tutorial.  A couple of things come to mind as a 
question.
   Can iptables drop emails that contain attachments?   
   Can iptables drop emails that contain the word "attachment"?
   Can iptables catch an incoming HTM script that is actually an *exe file 
camoflaged as HTM?  ( Virus)

    As a credit to Rusty, he does provide examples that address three other 
issues:
   Syn-flood protection
   Port scanning
   Ping of Death   ( Thanks Rusty )

 Thanks,
Robert
   

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