SSTP VPN server

You can set up an SSTP server in Keenetic. It allows you to remotely connect users to the local network.

NOTE: Important! The main advantage of the SSTP (Secure Socket Tunnel Protocol) tunnel is its ability to work through the cloud, i.e. it allows you to establish a connection between the client and the server, even if there are private IP addresses on both sides. All other VPN servers require a public IP address.
Data transfer in the SSTP tunnel is carried out with the help of HTTPS traffic.
Since the SSTP server works through the Keenetic Cloud servers, its speed depends on the number of users using the cloud and their activity.

To connect to the SSTP server, you do not need to install any additional programs in the Windows operating system, and in Android you will need to install an additional application. Also Keenetic itself can act as an SSTP client. You can find more information in the article 'SSTP client'.

To configure the server, it is necessary to install the 'SSTP VPN server' component. You can do this on the 'General system settings' page in the 'Updates and component options' section by clicking on 'Component options'.

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Then go to the 'Applications' page. Here you will see the 'SSTP VPN server' panel.

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To operate the server, you need to register your Keenetic in the KeenDNS cloud service and get a domain name on the keenetic.link or keenetic.pro domain that supports SSL security certificate. Otherwise, the client connecting to the server will not be able to establish a trusted HTTPS connection. You will find information on how to register the KeenDNS name in the article 'KeenDNS service'.
In addition, you need to allow access from the Internet via HTTPS protocol. You can do this on the 'Users' page. In the 'Remote Access' section enable the 'Allow access from the Internet': 'via HTTP' option.

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Now let's move on to configuring the SSTP server.

On the 'Applications' page, click on the 'SSTP VPN server' link.

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Configure the server.

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The 'Multiple sign-in' parameter controls the ability to establish several simultaneous connections to the server using the same credentials. This is not a recommended scenario due to the lower security level and the disadvantages in monitoring. However, during the initial configuration, or in cases where you want to allow the installation of a tunnel from multiple devices of the same user, you can leave the option enabled.

NOTE: Important! If the 'Multiple sign-in' option is disabled, it is possible to assign a static IP address to the SSTP client. You can do this on the VPN server configuration page in the 'Users' section.

By default, the 'NAT for clients' option is enabled in the server configuration. This setting is used to allow VPN server clients to access the Internet. In a built-in Windows client, this feature is enabled by default and when a tunnel is established, requests to the Internet will be sent through it. In case of 'Cloud access' mode (KeenDNS service setting), we recommend not to use 'NAT for clients' setting, because the tunnel throughput in the cloud connection may be lower than the throughput of the server or client Internet connection.

NOTE: Important! If you disable the 'NAT for clients' function on the server, but do not reconfigure the default routing policy in the Windows client, the Internet access may not work after the installation of the tunnel on the computer.

In server settings in the 'Network access' field you can also specify a segment different from the Home segment, if necessary. In this case, the network of the specified segment will be available through the tunnel.

The total number of possible simultaneous connections is set by the IP-address pool size setting. As with the initial IP address, this setting should not be changed without necessity.

NOTE: Important! The specified IP subnet must not match or intersect with the IP addresses of other interfaces of the router, as this may result in an address conflict.

In the 'Users' section, select the users you want to allow access to the SSTP server and the local network. Here you can also add a new user by specifying a username and password.

After configuring the server, set the switch to the 'Enabled' state.

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By clicking on the 'Connection statistics' link you can see the connection status and additional information about active sessions.

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If you want to provide clients with access not only to the local network of the VPN server, but also in the opposite direction, i.e. from the network of the VPN server to the remote network of the VPN client to provide data exchange between the two sides of the VPN-tunnel, refer to the instruction 'Routing networks through VPN'.

TIP: Note

To connect to the server as a client, you can use:

Keenetic router - 'SSTP client';

Windows PC - 'SSTP connection in Windows';

Android mobile device - 'SSTP connection in Android'.

 

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