Establishing Jira-Salesforce connection

1. Log into your Jira as Admin.
2. Ensure that Power Salesforce Connector is installed.
3. Go to Jira Administration > Add-Ons > Manage Add-ons.
4. In the cPrime Plugins Configuration section on the left, click Add connection.
   
   
   
   
5.  Fill out the fields in the connection dialog.
   
   
   
   
6. Click Save.

Fields description

User Security Token

To get the security token of a user. Go to User Settings → Reset My Security Token. Reset the security token and you will receive a new security token to the user email address:

Getting consumer key and consumer secret from Salesforce

1. Log into your Salesforce as Admin.
2. Got to the cog wheel menu and select Setup.
   
   
   
   
3. In the PLATFORM TOOLS section, go to Apps > App Manager, and click New Connected App.
   
   
   
   
4. Fill out the required fields
   
   
   • Connected App Name
   • API Name
   • Enter the contact email
     
     
     
     
5. Click the checkbox to enable OAuth settings.
   
   
   • The callback URL is not used in the integration. 
   • Select Full Access and click Add.
   • Then click Save.
     
     
6. On the next page, under OAuth Settings, you'll see Consumer Key and the option to reveal and get your Consumer Secret.
   
   

For more details, see Salesforce documentation.