added AllowUsers to tighten security

README.md

@@ -8,7 +8,7 @@ conceivable installation are included here.
 
 This archive and included script are meant to supplement my article on setting
 up a Debian base-system found at my blog: [My
-Techie-Thoughts](https://mytechiethoughts.com/<post_address>)
+Techie-Thoughts](https://mytechiethoughts.com/setting-up-a-debian-base-system/)
 
 ## Included files
 
@@ -87,4 +87,4 @@ and will NOT update your actual system!
 Hopefully this saves you some time and helps you standardize your new system setups
 with a few useful defaults.  As always, if you have suggestions or want to leave
 feedback for me, please do so on my [blog
-post](https://mytechiethoughts.com/<post_address>) related to this script!
+post](https://mytechiethoughts.com/setting-up-a-debian-base-system/) related to this script!

config/etc/ssh/sshd_config

@@ -27,6 +27,9 @@ MaxAuthTries 3
 MaxSessions 5
 #PermitRootLogin no
 PermitRootLogin yes
+# note: 'AllowUsers' overrides 'PermitRootLogin' so list root here
+# if you want root to have access!
+AllowUsers root username username2
 
 ### Program settings
 #Banner /etc/ssh/banner