The following steps use OAuth 1.0 authentication to Jira (which is the default).
For OAuth 2.0, go to Enabling Connectivity between Salesforce and Jira via OAuth 2.0 Authentication
The following steps use OAuth 1.0 authentication to Jira (which is the default).
For OAuth 2.0, go to Enabling Connectivity between Salesforce and Jira via OAuth 2.0 Authentication