We are trying to connect an Exalate node behind the firewall with Jira Cloud.

ServiceNow <--> Exalate <-- firewall ---> Jira Cloud. Followed “Configuration steps” in the link was not helpful https://docs.idalko.com/exalate/display/ED/Sync+Public+and+Private+Jira+Servers 

The instructions there are not screenshots, and no mention on what instance we are supposed to initiate the connection.

Set up a Connection from your Instance 

Select the proper connection type as shown below

Complete other steps from the connection wizard

Send an Invitation to the Destination Instance

Make sure the Destination side has accepted the invitation

Synchronize issues.

Please advice.