Re: [suse-security] PING when mail arrives
13 Dec
2000
13 Dec
'00
22:29
Thanks for the help in setting up the firewall rules. I was more concerned about _WHY_ those pings came at all. Should I contact the admin of that DNS-Server or is that a normal behaviour? Any comments? It's a normal behaviour. It's part of a process called 'route MTU discovery'. ICMP is a basic part of the IP protocol suite, and you cannot claim to be compliant with the IP standards if you do not support ICMP.
Hang on. I am talking about PING (ICMP 8) not any other ICMP!!!! And I am sure that it is the DNS server which pings me. It's an AIX box... Raffy
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Raffy