If you're using Linux Ubuntu / Debian with Java OpenJDK (Spigot, Craftbukkit, Forge, etc.) and having issues with Minecraft clients showing Mojang's "Authentication Servers Are Down", run the following command and restart Minecraft and the server.

update-ca-certificates -f
この答えは役に立ちましたか? 30 ユーザーはこれが便利だと感じました (714 投票)