Sometimes, server owners need to disable certain features from their servers either to optimize their server or because these features are not needed, one of those features might be the Nether dimension, which is normally the first dimension that the player goes to during a normal playthrough.
In this guide, we'll show you how to easily remove the Nether and prevent users from joining; you don't even need to leave your control panel.
server.properties file and open it.
For Bedrock players, there isn't a single file or command that disables the Nether or End dimension; you need to either use a behavior pack or a command block that blocks the Nether portal from being enabled. The best way to do this would be via a command block; the command block needs to be enabled in an active chunk so that it's always running. The video below explains how to do this: