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How to Forward VPN Traffic Through DSL Modem

By pinnakavamsi ·
Hello guys

I have Windows 2003 server.I enabled it for incoming VPN connection.

In Netgear wi-fi router/modem i forwarded ports 1723(tcp/udp), 500(tcp/udp) and 1701(tcp/udp). and ports 23, 22, 80

I am unable to create VPN connection to my server. but i am able to ssh and telnet my server over internet. is there any other port left to forward ?

I disabled my firewall also.

I checked with VPN connection in my server. i am able to make VPN connection in server LAN. but unable do over internet.
what could be the passible reason ?

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Check these

by shasca In reply to How to Forward VPN Traffi ...

Here is some generic info. You would need to give a little more insight about your config/client et. for someone to zero in on your problem.


Ports Needed for PPTP VPN
- TCP Port 1723
- UDP Port 500

Ports Needed for L2TP VPN
- TCP Port 1701
- UDP Port 500

Ports Needed for IPSec/ESP
- UDP Port 500

http://blogs.technet.com/rrasblog/archive/2007/06/13/ports-affecting-the-vpn-connectivity.aspx

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How to Forward VPN Traffic Through DSL Modem

by pinnakavamsi In reply to Check these

Thanks for your reply shasca

I tried all these ports but no luck...
I have to check with ISP. May be they are blocking some ports.

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Network Sniffer

by shasca In reply to How to Forward VPN Traffi ...

You could run this to see what you can see. May find the bottleneck

http://www.wireshark.org/download.html

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