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Windows Server 2019 - L2TP VPN in RRAS only accessable from internal interface, not from external
Assistance on setup to Connect an offsite server to the LAN via RRAS VPN - Server 2008 R2Windows Server 2008 R2 RAS VPN: access server on internal interface ipSingle NIC VPN Setup on Server 2008 R2 and RRASWindows Server VPN: Error 720Sharing Cisco VPN connection with network peersFreeBSD L2TP/IPsec not routing traffic to vpn serverSonicWall - connecting to L2TP VPN from DMZL2TP + IPSec pfSense: can ping, no accessCan't connect multiple user to L2TP VPN server (Error 720)OpenVPN Windows 10 Server, Windows 7 Client, can ping each other on VPN IPs but nothing more?
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I have a problem installing a L2TP VPN Connection with Windows Server 2019.
There are two interfaces:
"Intern" - 10.0.0.1 / Internal interface
"Extern" - 192.168.2.3 / External interface, connected through router to the internet
I can easily connect to the VPN from a local PC, in the same network, e.g. 10.0.0.10. Connection can be established with the correct user and PSK.
But when I try to connect to 192.168.2.3 (from the 10.0.0.10, 192.168.2.3 is accessable from this IP, because of routing) or from external (internet, correct port-forwarding in Internet-Router (FritzBox)), I just get no connection established.
The only thing is the NAT between it. The client is correct configured, included the registry values HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesIPSec and HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesPolicyAgent
What am I doing wrong? Firewall cannot be the problem, because I deactivated the firewall for testing purposes.
Maybe somebody has an idea that could help. Thanks very much in advance.
EDIT: The ISAKMP packets are received, but there is no response from the server (see wireshark screenshots). The firewall dropped nothing, because it was disabled for test purposes.
Screenshots of the configuration:
External Interface Routing Settings
Internal Interface Routing Settings
External Interface Port-Forwarding Settings
Routing settings
Routing security settings
Interface list
enter image description here
vpn l2tp windows-server-2019
asked May 26 at 21:24
Marc MMarc M
13
add a comment |
I have a problem installing a L2TP VPN Connection with Windows Server 2019.
There are two interfaces:
"Intern" - 10.0.0.1 / Internal interface
"Extern" - 192.168.2.3 / External interface, connected through router to the internet
I can easily connect to the VPN from a local PC, in the same network, e.g. 10.0.0.10. Connection can be established with the correct user and PSK.
But when I try to connect to 192.168.2.3 (from the 10.0.0.10, 192.168.2.3 is accessable from this IP, because of routing) or from external (internet, correct port-forwarding in Internet-Router (FritzBox)), I just get no connection established.
The only thing is the NAT between it. The client is correct configured, included the registry values HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesIPSec and HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesPolicyAgent
What am I doing wrong? Firewall cannot be the problem, because I deactivated the firewall for testing purposes.
Maybe somebody has an idea that could help. Thanks very much in advance.
EDIT: The ISAKMP packets are received, but there is no response from the server (see wireshark screenshots). The firewall dropped nothing, because it was disabled for test purposes.
Screenshots of the configuration:
External Interface Routing Settings
Internal Interface Routing Settings
External Interface Port-Forwarding Settings
Routing settings
Routing security settings
Interface list
enter image description here
vpn l2tp windows-server-2019
asked May 26 at 21:24
Marc MMarc M
13
add a comment |
I have a problem installing a L2TP VPN Connection with Windows Server 2019.
There are two interfaces:
"Intern" - 10.0.0.1 / Internal interface
"Extern" - 192.168.2.3 / External interface, connected through router to the internet
I can easily connect to the VPN from a local PC, in the same network, e.g. 10.0.0.10. Connection can be established with the correct user and PSK.
But when I try to connect to 192.168.2.3 (from the 10.0.0.10, 192.168.2.3 is accessable from this IP, because of routing) or from external (internet, correct port-forwarding in Internet-Router (FritzBox)), I just get no connection established.
The only thing is the NAT between it. The client is correct configured, included the registry values HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesIPSec and HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesPolicyAgent
What am I doing wrong? Firewall cannot be the problem, because I deactivated the firewall for testing purposes.
Maybe somebody has an idea that could help. Thanks very much in advance.
EDIT: The ISAKMP packets are received, but there is no response from the server (see wireshark screenshots). The firewall dropped nothing, because it was disabled for test purposes.
Screenshots of the configuration:
External Interface Routing Settings
Internal Interface Routing Settings
External Interface Port-Forwarding Settings
Routing settings
Routing security settings
Interface list
enter image description here
vpn l2tp windows-server-2019
asked May 26 at 21:24
Marc MMarc M
13
I have a problem installing a L2TP VPN Connection with Windows Server 2019.
There are two interfaces:
"Intern" - 10.0.0.1 / Internal interface
"Extern" - 192.168.2.3 / External interface, connected through router to the internet
I can easily connect to the VPN from a local PC, in the same network, e.g. 10.0.0.10. Connection can be established with the correct user and PSK.
But when I try to connect to 192.168.2.3 (from the 10.0.0.10, 192.168.2.3 is accessable from this IP, because of routing) or from external (internet, correct port-forwarding in Internet-Router (FritzBox)), I just get no connection established.
The only thing is the NAT between it. The client is correct configured, included the registry values HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesIPSec and HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesPolicyAgent
What am I doing wrong? Firewall cannot be the problem, because I deactivated the firewall for testing purposes.
Maybe somebody has an idea that could help. Thanks very much in advance.
EDIT: The ISAKMP packets are received, but there is no response from the server (see wireshark screenshots). The firewall dropped nothing, because it was disabled for test purposes.
Screenshots of the configuration:
External Interface Routing Settings
Internal Interface Routing Settings
External Interface Port-Forwarding Settings
Routing settings
Routing security settings
Interface list
enter image description here
vpn l2tp windows-server-2019
vpn l2tp windows-server-2019
asked May 26 at 21:24
Marc MMarc M
13
asked May 26 at 21:24
Marc MMarc M
13
edited May 27 at 19:42
Marc M
asked May 26 at 21:24
Marc MMarc M
13
asked May 26 at 21:24
Marc MMarc M
13
asked May 26 at 21:24
Marc MMarc M
13
13
add a comment |
add a comment |
1 Answer
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The problem was, that there was port-forwarding in NAT-interface. The forwardings must be disabled (although they was to 127.0.0.1).
answered May 30 at 12:42
Marc MMarc M
13
add a comment |
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The problem was, that there was port-forwarding in NAT-interface. The forwardings must be disabled (although they was to 127.0.0.1).
answered May 30 at 12:42
Marc MMarc M
13
add a comment |
The problem was, that there was port-forwarding in NAT-interface. The forwardings must be disabled (although they was to 127.0.0.1).
answered May 30 at 12:42
Marc MMarc M
13
add a comment |
The problem was, that there was port-forwarding in NAT-interface. The forwardings must be disabled (although they was to 127.0.0.1).
answered May 30 at 12:42
Marc MMarc M
13
The problem was, that there was port-forwarding in NAT-interface. The forwardings must be disabled (although they was to 127.0.0.1).
answered May 30 at 12:42
Marc MMarc M
13
answered May 30 at 12:42
Marc MMarc M
13
answered May 30 at 12:42
Marc MMarc M
13
answered May 30 at 12:42
Marc MMarc M
13
13
add a comment |
add a comment |
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