Permissions based on Workflow Status in JIRA

In the Workflow transition properties you can set diverse permissions restrictions like this:

• jira.permission.comment.group=group
• jira.permission.comment.denied=true/false
• jira.permission.edit.group.1=group1
• jira.permission.edit.group.2=group2
• jira.permission.modifyreporter.user=username
• jira.permission.delete.projectrole=10000
• jira.permission.subtasks.delete.projectrole=10000
• jira.permission.close.user=username
• jira.issue.editable=false

…

You can see more permissions and terminology in this link