After some more research, I was able to determine it has something to do witht he Let's Encrypt SSL cert and possibly the previous issue with the library failing. I switch domains/certs and I am able to access it once again remotely.
Webmin on port 10000 timing out, but is still reachable.
Error: Can't use string ("GROUP") as a symbol ref while "strict refs" in use at ./acl-lib.pl line 1002.