Add servers behind a Tunnel Host in SSH Gateway or Add servers that are accessible via port forwarding via the ssh gateway server.

Tunnel Host feature lets you add in server in a LAN or behind router on a different network into the Ezeelogin SSH gateway.  As shown in the diagram below, Server A & B can be added into the SSH Jumphost even though they are behind a NAT hence has private IPs.  In such scenario the tunnel host feature would be useful to add in servers into the ssh gateway that has only public ips. Tunnel host lets you add in servers that are behind a Router R but has the ports being forwarded so that the machines in LAN can be accessed.

ssh tunnel host

 

Tunnel Host feature is used to add target servers that are not directly accessible but can be accessed only via forwarded ports on the tunnel host server RouterR.eznoc.com. Tunnel Host variable is found under the Advanced section while adding a new server.

To add and access the SSH server on ServerA.eznoc.com with  the private ip 192.168.1.2 behind RouterR.eznoc.com, we enter the values  as shown in the diagram below.  The forwarding port of 9999 on RouterR.eznoc.com is entered in the SSH port field.

 

setup tunnelhost

 

Under the Advanced settings of ServerA.eznoc.com, the Tunnel Host is set as RouterR.eznoc.com so its ipaddress of 200.11.1.22 is entered as shown below.

tunnel adv

 

 

Similarly, to add and access the RDP server on ServerB.eznoc.com with private ip address 192.168.1.3 behind RouterR.eznoc.com, we enter the values as shown in the diagram below.  We disable the SSH field since this is a windows server.  The forwarding port of 8888 on RouterR is entered in the SSH port field.

 serverb

 

 

Under the Advanced settings of ServerA.eznoc.com, the Tunnel Host is set as RouterR.eznoc.com so its ipaddress of 200.11.1.22 is entered as shown below.

tunnelhost

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