Disclaimer : I had sent a response to this post via email, but it was not delivered. Apparently, there are multiple problems including this one [1] with the Discourse instance hosting this forum.
The response I sent is below :
For redirects, you could use the redirected_urls block. You do not have to go through the pain of setting up the permissions block which can be complicated if you are not technically savvy / understand what the nested blocks / keys inside the permissions block does.