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- Enter the local port in the Local Source Port field.
- Enter the server that you want to forward to in the Destination field. Note that this server can be the same server as the SSH server itself. The reason for doing this is to establish a secure connection from the local host to this server, and you don't want to dedicate another server just to provide the port forwarding.
- Click the Add button to save this port forwarding entry.
- You may repeat the above steps to port forward to multiple destination servers.
- Click the Save button to complete the SSH server registration.
Example:
In the above example, we have configured port forwarding on the 10.220.201.174 server, which is bound to port 9998 on the local host where ADS is running. To activate this port forwarding, you will need to right-click on this SSH Connection that you have registered and select the Open option. This will open an SSH connection to the 10.220.201.174 server on port 22, and configure port forwarding to the 10.220.201.93 server on port 3306, which is bound to port 9998 on the local host where ADS is running. This is equivalent to executing the following command on the localhost:
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In the following example, we'll use our previously configured SSH connection with port forwarding to connect securely from ADS to MySQL database running on the 10.220.201.93 server on port 3306. Also in this example, the 10.220.201.93 server is firewall-protected to keep out external attackers so that you can’t directly access the database server. It is configured to be accessible only from the 10.220.201.174 jump box.
When we register the MySQL database server, we enter the connection information as localhost, port 9998. With this database connection setup and the port forwarding we have in the earlier example, the communication between ADS and MySQL will happen via the secure SSH tunnel. Note that in order for this to work, the SSH connection with port forwarding has to be opened and remain open for the duration of this database session.
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