Don't show protections on closed questions
116318
Don't display "protected" notice if the question is locked or closed
61078
Update privilege page so it doesn't claim I can answer protected questions while I can't
62952
Prevent questions on Hot List from being upvoted by casual visitors (only rep is from association bonus)
123468
Protected questions and editing
141324
Are historically-locked questions supposed to be hidden on meta sites now?
41851
The Ability to Hide Questions
63567
Why allow closed questions to be voted on?
117918
Why doesn't the Related question list show that questions are closed?
83426
Prevent suggested edits under 10 reputation on protected questions
61414
Should trending questions be auto-protected?
86240
Please add the ability to filter [Closed] questions out of my results
130609
Please hide questions with tags I chose to ignore and hide (on iOS app)
100205
Make it possible to prevent voting on time-limited questions in meta without a historical lock
24338
why not let question authors remove "protected" designation?
126149
Notify users of a question they closed being edited or nominated for reopening
84094
Change the way a closed question is marked
114583
Should users be allowed to remove the "Possible Duplicate" links on closed questions?