Setting up permissions for fields

General Notes

Fields without any settings are consider to be open for view and edit to all users with access to the project.
It is always possible to fill in an initial value on create issue on a Protected Field.
After issue is created the Protected Fields settings will be applied.
Fields with view settings and no edit settings, can not be edited, only viewed.
Fields with users in edit settings can view and edit the field value.
Fields with users not in view settings but in edit settings can view the field value and edit.
Fields with user not in the view settings or the edit settings can not view the field value.
Fields with users in the view settings and not in the edit settings can only view the field value but not edit it.
Protected Fields only works in the new Issue layout that Atlassian is promoting, due to limitations in the cloud platform.
Field with Field Context and Project Permission settings, will use the Project Permission Settings.

There are two ways to setup permissions: