Hi, 

I have a problem with resolving host-names from IP addresses. 
We are running some application on serverm which has almost all ports
blocked (except port 80 for http). 
Now, host-names lookup don't work on this machine, and I don't know which
port must be opened. 

Can somebody tell me which ports are required for this? thanks very much.

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Odchoz� zpr�va neobsahuje viry.
Zkontrolov�no antivirov�m syst�mem AVG (http://www.grisoft.cz).
Verze: 6.0.361 / Virov� b�ze: 199 - datum vyd�n�: 7.5. 2002
 

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