SSH Jumpbox behind firewall
Can an SSH jumpbox be installed behind a firewall? What will be the IP address when the SSH gateway is installed in the LAN?
Yes, SSH jumphost can be behind a firewall and would work within a LAN.
Run the command on the SSH gateway server, and it will display the IP address for which the license needs to be issued if your SSH gateway is behind a NAT.
Refer detailed articles to install and configure SSH gateway:
Setup and configure SSH jump server
Related Article:
Will Ezeelogin work behind a firewall or NAT or behind a Proxy?
Can Ezeelogin installed behind a firewall?