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Looking for default vpn port number

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5 replies

by jdkc4d 1 view

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Im using win2k server to host my vpn. However it can't get past my firewall, and users can't get in. So I need to know the default port number that vpn uses so that I can leave that port on my firewall open.

5 replies

by stillatit

Microsoft PPTP vpns use tcp/1723.

Remember that you need to enable it from all outside addresses to your vpn server, and from that server to all outside addresses. The rules for this must be above any rule which would block this port.

Good luck.

by deltree

This is straight from W2K server internetworking guide.

PPTP clients need port 1723 open for tunnel maintenance. Port 47 for tunneled data flow.

For L2TP clients, port 500 for IKE traffic, and port 50 for tunneled data flow.

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