Still trying to sort this out. I had debug logging enabled. So, those messages were obscuring what was going on. I set LogLevel to error, restarted Apache, and then tried to reply. I do not see anything useful in the error log.
UPDATE: This is in the ssl_access log for the forum:
108.234.20.166 - - [04/Sep/2024:02:04:51 -0500] "POST /ubbthreads/ubbthreads.php HTTP/1.1" 500 20 "https://www.stovebolt.com/ubbthreads/ubbthreads.php/topics/1556718/stovebolt-maintenance-9-3-2024.html" "Mozilla/5.0 (Macintosh;
intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36"
108.234.20.166 - - [04/Sep/2024:02:05:11 -0500] "-" 408 - "-" "-"
But that IP doesn't show up in the error logs at all.
