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How do I find out which port an app is using?

 
 
JoeSpareBedroom
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      13th Dec 2007
My SonicWall VPN software is being blocked by my firewall (ZoneAlarm), and
as a first step in solving the problem, I need to know which port(s) the VPN
uses. Looking through XP Pro's accessories & system tools, I don't see
anything available for this type of thing. Is there a way to do this? I'm
running with a router, so I can shut down ZA long enough to get the VPN to
work so I can diagnose what it needs.


 
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wilscott1st@yahoo.com
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      13th Dec 2007
On Dec 13, 11:43 am, "JoeSpareBedroom" <dishborea...@yahoo.com> wrote:
> My SonicWall VPN software is being blocked by my firewall (ZoneAlarm), and
> as a first step in solving the problem, I need to know which port(s) the VPN
> uses. Looking through XP Pro's accessories & system tools, I don't see
> anything available for this type of thing. Is there a way to do this? I'm
> running with a router, so I can shut down ZA long enough to get the VPN to
> work so I can diagnose what it needs.


You can open a command prompt and type:
netstat -a -n -b -v

this will show you the ports that are opened, their status, the
components that are using the port, and the executable file associated
with the components.
 
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JoeSpareBedroom
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      13th Dec 2007
<(E-Mail Removed)> wrote in message
news:3becda37-b5e2-4b8f-8bd6-(E-Mail Removed)...
> On Dec 13, 11:43 am, "JoeSpareBedroom" <dishborea...@yahoo.com> wrote:
>> My SonicWall VPN software is being blocked by my firewall (ZoneAlarm),
>> and
>> as a first step in solving the problem, I need to know which port(s) the
>> VPN
>> uses. Looking through XP Pro's accessories & system tools, I don't see
>> anything available for this type of thing. Is there a way to do this? I'm
>> running with a router, so I can shut down ZA long enough to get the VPN
>> to
>> work so I can diagnose what it needs.

>
> You can open a command prompt and type:
> netstat -a -n -b -v
>
> this will show you the ports that are opened, their status, the
> components that are using the port, and the executable file associated
> with the components.



So, does this mean the VPN software is using port 396? I inserted the
double tildes in case the columns get crammed together when I post this
message.


UDP 0.0.0.0:500 ~~ *:* ~~
396
[SWGVpnClient.exe]


 
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wilscott1st@yahoo.com
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      13th Dec 2007
On Dec 13, 1:35 pm, "JoeSpareBedroom" <dishborea...@yahoo.com> wrote:
> <wilscott...@yahoo.com> wrote in message
>
> news:3becda37-b5e2-4b8f-8bd6-(E-Mail Removed)...
>
>
>
>
>
> > On Dec 13, 11:43 am, "JoeSpareBedroom" <dishborea...@yahoo.com> wrote:
> >> My SonicWall VPN software is being blocked by my firewall (ZoneAlarm),
> >> and
> >> as a first step in solving the problem, I need to know which port(s) the
> >> VPN
> >> uses. Looking through XP Pro's accessories & system tools, I don't see
> >> anything available for this type of thing. Is there a way to do this? I'm
> >> running with a router, so I can shut down ZA long enough to get the VPN
> >> to
> >> work so I can diagnose what it needs.

>
> > You can open a command prompt and type:
> > netstat -a -n -b -v

>
> > this will show you the ports that are opened, their status, the
> > components that are using the port, and the executable file associated
> > with the components.

>
> So, does this mean the VPN software is using port 396? I inserted the
> double tildes in case the columns get crammed together when I post this
> message.
>
> UDP 0.0.0.0:500 ~~ *:* ~~
> 396
> [SWGVpnClient.exe]- Hide quoted text -
>
> - Show quoted text -


port 500
 
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Bruce Chambers
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      14th Dec 2007
JoeSpareBedroom wrote:
> My SonicWall VPN software is being blocked by my firewall (ZoneAlarm), and
> as a first step in solving the problem, I need to know which port(s) the VPN
> uses. Looking through XP Pro's accessories & system tools, I don't see
> anything available for this type of thing. Is there a way to do this? I'm
> running with a router, so I can shut down ZA long enough to get the VPN to
> work so I can diagnose what it needs.
>
>



Refer to the documentation that accomapanied the VPN application.


--

Bruce Chambers

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Many people would rather die than think; in fact, most do. ~Bertrand Russell

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killed a great many philosophers.
~ Denis Diderot
 
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JoeSpareBedroom
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      14th Dec 2007
"Bruce Chambers" <(E-Mail Removed)3t> wrote in message
news:(E-Mail Removed)...
> JoeSpareBedroom wrote:
>> My SonicWall VPN software is being blocked by my firewall (ZoneAlarm),
>> and as a first step in solving the problem, I need to know which port(s)
>> the VPN uses. Looking through XP Pro's accessories & system tools, I
>> don't see anything available for this type of thing. Is there a way to do
>> this? I'm running with a router, so I can shut down ZA long enough to get
>> the VPN to work so I can diagnose what it needs.

>
>
> Refer to the documentation that accomapanied the VPN application.
>
> Bruce Chambers



If there was anything in print, it's at my company's home office 400 miles
away. The help system on my machine offers no insights at all. Yes, it's
legally licensed software. Thanks for asking.


 
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