SBG 5500 L2TP over IPSEC

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theruck
theruck Posts: 3
First Anniversary
in Security
i setup the VPN on my windows server, forward the ports 1701 1723 and 500
but the server says that VPN connection cannot be completed because of probably missing GRE
i have not found any GRE settings on the firewall or port forwarding rules. on old Zywall 5 firewall it used to be a special service called PPTP_TUNNEL(GRE:0) but nothing on the SBG 5500
any ideas how can i make the VPN work behind this SBG 5500
i really need the AD auth and the device is apparently not able to auth against an AD server so i cannot terminate the VPN on the device itself.

Accepted Solution

  • theruck
    theruck Posts: 3
    First Anniversary
    Answer ✓
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    ok so the services are called PPTP adn PPTP_TUNNEL for GRE
    so to make it work fror PPTP VPN on windows just the port forward of TCP 1723 and Firewall rule to allow PPTP service is needed

All Replies

  • theruck
    theruck Posts: 3
    First Anniversary
    Answer ✓
    Options
    ok so the services are called PPTP adn PPTP_TUNNEL for GRE
    so to make it work fror PPTP VPN on windows just the port forward of TCP 1723 and Firewall rule to allow PPTP service is needed

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