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Subject Author Date
Windows XP firewall Chuck 08-28-2007
---> Re: Windows XP firewall Steve Riley [MS...09-01-2007
Posted by Chuck on August 28, 2007, 12:31 pm
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The WinXP firewall allows for both programs and ports to be added to the
"exceptions" list. Here's my question. If I have a program that listens
on 32 different ports, do I need to manually open each and every port
(16 tcp and 16 udp) or can I just add the program to the exceptions
list? In doing the latter does it automatically open all ports that the
programs binds to? TIA

Also, is there any way to specify a range of ports to open, or do you
have to do each one individually?

Posted by Poster 60 on August 29, 2007, 1:21 am
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This should answer your question.
http://it.deas.harvard.edu/?q=node/24



> The WinXP firewall allows for both programs and ports to be added to the
> "exceptions" list. Here's my question. If I have a program that listens on
> 32 different ports, do I need to manually open each and every port (16 tcp
> and 16 udp) or can I just add the program to the exceptions list? In doing
> the latter does it automatically open all ports that the programs binds
> to? TIA
>
> Also, is there any way to specify a range of ports to open, or do you have
> to do each one individually?



Posted by Chuck on August 29, 2007, 10:02 am
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Poster 60 wrote:
> This should answer your question.
> http://it.deas.harvard.edu/?q=node/24
>

Not really. I explains what a firewall is and how to add exceptions. I
already know how to do that. I want to know something specific about the
windows xp firewall. When I add a program exception, and that programs
is going to bind with UDP ports 1200 and 27015, will those ports
automatically be opened while the program is running, or do I need to
open them permanently?

Posted by Poster 60 on August 29, 2007, 11:30 pm
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> Poster 60 wrote:
> > This should answer your question.
> > http://it.deas.harvard.edu/?q=node/24
> >
>
> When I add a program exception, and that programs
> is going to bind with UDP ports 1200 and 27015, will those ports
> automatically be opened while the program is running, or do I need to
> open them permanently?

When you run a program added to the exception list you are allowing
*incoming * connections to whatever ports that program uses. Ports usually
will open and close automatically.
If you find those two not opening, then add them to the
exception list.




Posted by Poster 60 on August 29, 2007, 11:42 pm
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> Poster 60 wrote:
> > This should answer your question.
> > http://it.deas.harvard.edu/?q=node/24
> >
>
> When I add a program exception, and that programs
> is going to bind with UDP ports 1200 and 27015, will those ports
> automatically be opened while the program is running, or do I need to
> open them permanently?

When you run a program added to the exception list you are allowing
incoming connections to whatever ports that program uses. Ports usually
will open and close automatically when connections are made.
To check this, enable the pfirewall log and watch the sequence as you surf.





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