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 # border
-adds a border command to minetest to stop new players joining
+Adds a border command to minetest to stop new players joining, an essential command in the server administrators toolbox. Useful for preventing trolls returning repeatedly on different ip addresses, the border is maintained across server restarts and allows all your existing players access.
+
+Note: Use the sauth branch if you are using my sauth mod as the authentification handler.