Essential ICMP

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Hi,

I'd like to allow only the essential ICMP message messages.
This is for a very busy web server using about 60MB/per sec.

I have this list of what I think are the essential ICMP types I should allow.
Do you think this is correct?
Am I missing anything ?


ICMP,Type,Code Used By
0     0     Ping
3     4     Path-MTU Discovery
4     0     Source Quench
8     0     Ping
11     0     traceroute

Many thanks.
Regards Rudi


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