In message <2 .
2 .
32 .
19960730055629 .
00aa1250 @
wave .
co .
nz>, Steve Lang writes:
> Hi.
>
> I have been monitoring this list for a while now, and have a question
> with regards to ICMP, and the protection from them.
>
> I am searching for information about protecting a network from
> spurious icmp's, with specific reference to cisco access lists.
>
> There is likely to be several references available, but I have
> yet to find them. Any pointers to more information would be
> appreciated.
>
AFAIR, blocking (or letting through) all ICMPs from a given source
to a given destination has been around for a long time (since 9.1 ?).
I think that blocking specific ICMP types came out with either 10.3 or
11.x.
For further info, ask cisco @
spot .
colorado .
edu or look at :
http://www.cisco.com/
HTH
Michel Lavondes (lavondes @
tidtest .
total .
fr)
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