From: Javier Tomé (fjtm@tid.es)
Date: Thu Oct 06 2005 - 12:18:31 GMT-3
I reach the same solution as you...
access-list 1 deny 200.0.1.2 0.0.2.24
access-list 1 permit any
May be the official solution is not correct...
Regards
Javi
Leigh Harrison wrote:
> Hey there,
>
> Could someone double check this for me? I think I've been staring at
> the screen too long....
>
> From IEWB lab vol 1 17 Q.10
>
> Use the minumum lines necessary to deny these hosts:-
>
> 200.0.1.2
> 200.0.3.2
> 200.0.3.10
> 200.0.1.18
> 200.0.3.26
> 200.0.1.10
> 200.0.3.18
> 200.0.1.26
>
> I worked it out like this:-
>
> 128 64 32 16 8 4 2 1 #
> 0 0 0 0 0 0 0 1 1
> 0 0 0 0 0 0 1 1 3
>
> 0 0 0 0 0 0 1 0 2
> 0 0 0 0 1 0 1 0 10
> 0 0 0 1 0 0 1 0 18
> 0 0 0 1 1 0 1 0 26
>
> From that, in the third octet, the only bit that cnages is 2 and both
> variables are present. In the fourth octet, the only bits that change
> are the 16 and 8 bits and all 4 variables are present.
>
> So I came up with :-
> access-list 1 deny 200.0.1.2 0.0.2.24
> access-list 1 permit any
>
> However, the official answer is:-
> access-list 1 deny 200.0.1.2 0.0.2.8
> access-list 1 deny 200.0.1.18 0.0.2.0
> access-list 1 deny 200.0.1.26 0.0.2.0
> access-list 1 permit any
>
> Am I missing something ?!?
>
> Time for a brew.....
> LH
>
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