How to open port and ip protocol on windows firewall?

Posted: 03-22-2007, 02:16 AM

iii_thebest

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Posts: n/a

Hi,
I have problem connecting to a VPN server. I searched all over the web sites
and understand that I need to open up port 1723 and ip protocol 47 on the
firewall, and I know to open up the port 1723 is just using Add Port on the
Windows Firewall Settings page under Exceptions. However, I don't know how to
open IP Protocol 47? Some web pages said it is not a port, then how to I open
that? Appreciate the help.

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Responses to "How to open port and ip protocol on windows firewall?"

Jon

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Posts: n/a

Re: How to open port and ip protocol on windows firewall?

Posted: 03-22-2007, 07:14 AM

"iii_thebest" <iii_thebest@discussions.microsoft.com> wrote in message
news:EFBED6EC-9C1F-4F9C-9675-D8E6FF38F7AF@microsoft.com...

> Hi,
> I have problem connecting to a VPN server. I searched all over the web
> sites
> and understand that I need to open up port 1723 and ip protocol 47 on the
> firewall, and I know to open up the port 1723 is just using Add Port on
> the
> Windows Firewall Settings page under Exceptions. However, I don't know how
> to
> open IP Protocol 47? Some web pages said it is not a port, then how to I
> open
> that? Appreciate the help.

You may need to set up a firewall rule with 'Windows Firewall with Advanced
Security'

Control Panel > Administrative Tools > Windows Firewall with Advanced
Security

Click on 'Inbound Rules' left pane
Then right-click on 'Inbound Rules' > New Rule.. > Custom > ...
On the 'Protocols and ports' screen, choose 'GRE' in the 'Protocol type'
dropdown box.....

--
Jon

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Gloria Boyer [MSFT]

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Re: How to open port and ip protocol on windows firewall?

Posted: 03-22-2007, 03:22 PM

Hi guys. Actually, you can do this through the regular Windows Firewall. On
the Exceptions tab, click "Add port" and then give it a name, put 47 as the
port number, and select TCP. That should do it!

Thanks for posting,
Gloria

--
Gloria Boyer
Windows User Assistance team
Microsoft Corporation

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