SSL VPN FAQ

Available in Classic

This page provides frequently asked questions and answers about the SSL VPN service. If you cannot find the answer to your question in the FAQs below, you can go to the user guide page and search for the information.

Q. What is an SSL VPN?

A. VPN stands for Virtual Private Network and refers to a method of connecting the user's PC or network to a private network that cannot be accessed from the outside. The connection to the private network is made through a virtual tunnel, and the SSL VPN protects this virtual tunnel with SSL encryption. The user PC connected to a private network through the virtual tunnel can access internal servers based on the routing and ACL policies of the private network.

Q. How can I use an SSL VPN?

A. The process for using an SSL VPN is as follows:

For more information on the process for using an SSL VPN, see SSL VPN scenario.

Q. Do all connections go through the internal network when connecting to the SSL VPN?

A. SSL VPN supports split tunneling and performs VPN tunneling only for connections to the internal private networks. Connections that do not go through internal private networks (such as Internet access, connections to other networks, etc.) follow the default routing for your PC.

Q. What is an SSL VPN IP pool?

A. An SSL VPN IP pool is a sequential range of IP addresses assigned to the user's PC by the network connected through a virtual tunnel. The user PC is automatically assigned an empty IP address in the 28-bit IP range and uses that SSL VPN IP address when connecting to the VM. Therefore, the user must allow the SSL VPN IP pool on the ACG in advance.

Q. What is the number of user accounts?

A. The number of user accounts refers to the number of IDs you selected when creating the SSL VPN that can be registered. Users can choose from 3/5/10 when creating an SSL VPN. You can freely add or delete users within the selected limit.

• <example> If the number of user accounts is displayed as 2/3, it means that you have created an SSL VPN that allows up to 3 VPN IDs, and 2 of which have been created and are being used. This means that you can create and use 1 more VPN ID. If you need more VPN IDs, you can change the specifications of the SSL VPN or create and use additional SSL VPN.

Q. What is the difference between the one-factor and two-factor authentication method?

A. Brief descriptions of the one-factor and two-factor authentication methods are as follows:

• One-factor authentication method: verifies users with the ID/PW only
• Two-factor authentication method: Two-factor authentication is a type of MFA (Multi-Factor Authentication) that verifies users with the ID/PW and OTP
  • The two-factor authentication method provides more secure access to SSL VPN than the one-factor authentication method, and the OTP code is sent to the email address/mobile number you entered when adding the user.