[Dshield] ICMP problems

Allen Kistler an037-0m26i at yahoo.com
Wed Jun 29 02:18:38 GMT 2005


Martin Forest wrote:
> My firewall is not logging icmp type or code. All I have is protocol 1, 
> ICMP. When I submit log files with source port and destination port as 0 
> and protocol 1, the lines are rejected.
> Does that mean that unless I specify icmp type, i can not submit blocked 
> icmp?
> ...

What is your firewall that it doesn't report ICMP type and code?
ICMP type 0 code 0 is echo reply, which is valid ICMP.


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