rs lab question

Unanswered Question
Apr 17th, 2007

I'm going through some practice labs and wondering... if I had a question like the below on the exam and used my solution, instead of the solution that my practice problem proposes, do you think this would make a difference in my grade? I am trying to determine how literally I should take the questions:

MY PRACTICE QUESTION:

After reviewing your log files you have determined that the DoS attack on your web server came from hosts with spoofed source addresses. To help prevent this type of attack in the future configure your network so that traffic will not be accepted from BB1, BB2, or BB3 if it sourced from your address space 183.1.0.0/16.

THEIR SOLUTION:

ip access-list extended SYN_ATTACK

deny ip any 183.1.0.0 0.0.255.255

permit ip any any

!

interface Serial0/0/0

ip access-group SYN_ATTACK in

MY SOLUTION:

ip cef

interface Serial0/0/0

ip verify unicast source reachable-via rx

Criticism welcome,

-DAVE

I have this problem too.
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