Firewall Wizards: Re: trusted & untrusted ports

["Hilal Hussein" <hilalma () hotmail com>]

Hello List,

Let me clarify some points in my prevous email. YES it is the application 
which opens a socket to allow connections on certain ports.
So my questions here are :

Q1 - How to identifiy trust vs untrusted ports. As sometimes, users working 
within our network will ask to open certain ports in the firewall in order 
to allow communication to a certain application outside the coorporate 
network. From security prespective, based on what evaluation should i accept 
or reject opening the requested port(s) ? maybe it will know to be used by 
hackers, or viruses as a threat.

Q2 -  Reading some technical documents about accessing applications over the 
net, I noticed that sometimes the connection is not a client/server 
technique, it could be through the http port, in other words, no need to 
open specific port in order to be able to access the net application from 
within our network coorporate since it is using the http port.
Hopefully now my points is clearer,

with regards,

Hilal

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