RE: ICMP on port 3

[frostbackeng <frostbackeng () yahoo com>]

ICMP type 3 -- "Destination unreachable".

Sound like the one (or both) of the two servers thinks
the other is a next hop for a given destination.
If you can capture the ICMP packet, and look at the
latter 40 bytes or so, you should see the IP & TCP
headers of the packet that triggered the "unreachable"
message.  From that, you should be able to figure out
which server's routing table needs to be fixed.



=========================
Hi

i have a strange communication between two of my Linux
server, it's ICMP
packet on port 3.
Do you know what it could be ?

Thks

Emmanuel




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