Possible hostname handling bug in node handshake procedure?
Tue Nov 24 09:47:05 CET 2009
Today I stumbled upon some strange behavior when using net_adm:ping.
I was trying to connect two machines, buka and Edo on the same lan,
but it just would get them to talk to each other. Net_adm:ping worked
in one way only. Normal ping worked both ways, double checked if there
where firewall rules. I even looked at the network packets, which I
could see arriving at both ends. Then it slowly dawned on me. One of
the hosts has a hostname with a capital in it. so I tried to the exact
name. It worked...
Here is what happens.
In both situations the network packets arrive at To me it looks
like there is a case sensitivity problem with the hostname handling in
the handshake procedure.
Shouldn't both calls return pong as hostnames should normally be
treated as case insensitive strings?
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