Defining JIRA as a Remote Site to the Salesforce instance

In Salesforce Setup→Security Controls->Remote Site Settings, create an entry for JIRA, as shown below, specifying the base URL for your JIRA instance.

For Atlassian-hosted Jira (Jira Cloud), you will also need to create a Remote Site entry for zAgile’s ConnectApp using the following URL:

https://zcapp.herokuapp.com