To make sure that your iOS 13 and macOS Catalina clients can connect to your IKEv1 VPN server, configure the server to truncate the output of the SHA-256 hash to 128 bits. Truncating to a smaller number of bits might cause the server to drop data that VPN clients transmit.
The name of the VPN connection is the service name you used when you configured the L2TP connection on the client computer. The user name and password are for one of the users you added to the L2TP-Users group. For more information, see About Mobile VPN with L2TP User Authentication. To start the L2TP connection: In the Apple menu, select. The instructions below are tested on Mac OS 10.7.3 (Lion). Open System Preferences Network from Mac applications menu. Click the '+' button to create a new service, then select VPN as the interface type, and choose L2TP over IPsec from the pull-down menu. Server Address: E nter the hostname (e.g.com) or the active WAN IP (e.g. Hostname is encouraged. Open System Preferences then select Network. In the Network settings, click the + (plus).
To make sure that your iOS 13 and macOS Catalina clients can use IKEv1 or L2TP, don't use a double-quote character in the value of any of the keys in a VPN configuration profile. Using a double-quote character for these VPN types can prevent the client from connecting, starting with iOS 13.6 and macOS 10.15.6.
Here is an instruction on how to connect to a VPN Gate Public VPN Relay Server by using L2TP/IPsec VPN Client which is built-in on Mac OS X.
On this instruction, every screen-shots are taken on Mac OS X Mountain Lion. Other versions of Mac OS X are similar to be configured, however, there might be minor differences on UIs.
These screen-shots are in English version of Mac OS X. If you use other languages, you can still configure it easily by referring the following instructions.
1. Initial configurations (only once at the first time)
Click the network icon on the top right side on the Mac screen. Click “Open Network Preferences…” in the menu.
Click the “+” button on the network configuration screen.
Select “VPN” as “Interface”, “L2TP over IPsec” as “VPN Type” and click the “Create” button.
A new L2TP VPN configuration will be created, and the configuration screen will appear.
Server Address: This is your IP address which is supplied in your VPN Details under ‘server’.
Account: This is your username which is supplied in your VPN Details.
Next, click the “Authentication Settings…” button.
The authentication screen will appear.
Password: Please use your VPN password which is supplied in your VPN Details.
Secret: Please use the following: soft1234 (all lowercase).
Click the “OK” button.
After return to the previous screen, check the “Show VPN status in menu bar” and click the “Advanced…” button.
The advanced settings will appear. Check the “Send all traffic over VPN connection” and click the “OK” button.
On the VPN connection settings screen, click the “Connect” button to start the VPN connection.
Mac L2tp Client
2. Start a VPN connection
You can start a new VPN connection by clicking the “Connect” button at any time. You can also initiate a VPN connection by clicking the VPN icon on the menu bar.
After the VPN connection will be established, the VPN connection setting screen will become as below as the “Status” will be “Connected”. Your private IP address on the VPN, and connect duration time will be displayed on the screen.
3. Enjoy VPN communication
L2tp Vpn Client For Mac Os 10.13
While VPN is established, all communications will be relayed via the VPN Server.