@ Asyn and DavidR,
Thanks.
Noted at the time there was a gap of more than an hour between posts anywhere on the board, and also noted that some notified replies were reposted back under my account, tho. So, possibly a rare instance of a last known good backup being restored, as well as having the 502 error seeming to last forever, seemed to be going on here. A spammer was engaging in activity w/some advanced tools here a little while before all this started, so…