I just noticed that I’m getting this error on my live site:
Forbidden: You do not have permission to access resource on this server.
I don’t know how long this has been happening. I haven’t checked that everything was working for at least a few months.
My staging site, with a different theme, several plugins turned off and with all the security measures disabled, doesn’t exhibit this problem.
But I thought I’d check here first before I turn things on and off and troubleshoot.