SSH Tectia Server can be configured to reject connection attempts from unknown hosts. For example the following allows connections only from the internal network 10.1.0.0/8 IP addresses and from an external host with the IP address 18.104.22.168:
Please see Section Restricting User Logins for information on the regular expression syntax and for more configuration examples and options.
On systems with several network interfaces, SSH Tectia Server can also be bound to a specific network interface so that the server can be only accessed from the intended network. For example, the following will bind the listener to address 10.1.60.25 using the Secure Shell default port 22: