discuss.answer
ht.access is there by default, a sample of code you should use should you need that file.
Looks like someone already duplicated it and renamed it to a name that the server can use.
.htaccess is in use
ht.access is useless - deletable!
TinymceWrapper: Complete back/frontend content solution.
Harden your MODX site by
passwording your three main folders:
core, manager, connectors and renaming your
assets (thank me later!)
5 ways to sniff / hack your own sites; even with renamed/hidden folders, burst them all up, to see how secure you are not.