

This means that you can add /runtime/jre-ABC/DEF/bin/javaw.exe to the block list of your firewall, instead of blocking the default port (25565). By default, the game will prefer this to any other java installation. If you download the new version of Minecraft.exe or Minecraft.msi it will install a minimal working Java in the directory of the Launcher. It may seem invasive but most of the features can be turned off and on as you require. The screenshot below shows how you can lock the computer from online activity and this only applies to that particular user this could be the best option and you can just block the internet for just them whenever you know they would be playing,Īlternatively you could block the internet perminantly and just activate it if they want to search the web etc.

You can also have different user accounts for each child with different privilages. The best i have found and used is Qustodio It is completely free and allows you to set time limits on the internet see game and application usage. Is to get parental software which can monitor and change childrens internet and application usage. The only real alternative to this is to block Java itself from connecting to the internet, this is not highly recommended due to the fact this will block all java applications from accessing the internet, but it will force play offline mode. To reopen this in future just delete the two rules

Do this twice for both TCP and UDP and they will not be able to connect to multiplayer. Hit Next twice and then give the rule a name (minecraft Multiplayer) and click finish. You will need to do this for both TCP & UDP and then click Specific Local Ports and change the value to 25565 (this is the default port for minecraft servers so will cover the majority of servers You will then see the following menu, Select Port as the option and click Next Go to Control Panel - System and Security - windows firewall, then click advanced settings.
