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What ports do i open for vpn

Networking & Security


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  #1  
Old 11-08-2009
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Join Date: Jan 2009
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What ports do i open for vpn
  

Hello,
I have a small network in mu office including four computers and one laptop. All are connected through router. I cannot connect to VPN for my computers. What ports do i need to open for VPN? Anyone?

Thank you in advance.

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  #2  
Old 11-08-2009
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Join Date: Apr 2008
Posts: 3,343
Re: What ports do i open for vpn

If you want to open ports for VPN, then find out the ports which are running VPN. So try using different ports. Normally all ports are common and not blocked. It can be something else creating problem.
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  #3  
Old 11-08-2009
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Join Date: Apr 2008
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Re: What ports do i open for vpn

You need to open following ports to enable VPN between your computer:
To allow PPTP tunnel maintenance traffic, open TCP 1723.
To allow PPTP tunneled data to pass through router, open Protocol ID 47.
For L2TP VPN connections, you need to open UDP port 500 for Internet Key Exchange (IKE) traffic and UDP port 1701 for L2TP traffic.
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  #4  
Old 11-08-2009
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Join Date: Jan 2006
Posts: 3,773
Re: What ports do i open for vpn

Following threads may help:
How to open ports?
Open Ports on Windows XP
http://forums.techarena.in/server-dns/1152807.htm
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