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Minecraft RCON Web Client

Run server console commands from a browser tab — no SSH session, no desktop RCON app, no account. Works with any server that has RCON enabled, not just Wespner-hosted ones.

Front-end demo — no server is being contacted. A browser cannot open a raw TCP socket, so a real RCON client needs a server-side WebSocket-to-RCON relay. Wespner's relay is not deployed yet. Everything below — the handshake, the console output, the player lists — is generated locally in your browser from a canned script. Nothing leaves this page, and any host, port or password you type goes nowhere.

Connection

Server details

The same values as server.properties: rcon.port and rcon.password, with enable-rcon=true.

Held in memory only. Never stored, never autofilled, wiped on disconnect.

Connecting runs the mock handshake only. No network request is made.

Security

What happens to your password

  • Session-only. The password lives in this page only for as long as the tab is open. It is never written to localStorage, sessionStorage, cookies or the URL.
  • Wiped on disconnect. Disconnecting (or closing the tab) clears it and empties the field. Reconnecting means typing it again — on purpose.
  • No saved servers. There is deliberately no "remember this server" feature. A saved RCON password is a stored root credential for your server.
  • Never logged. When a real relay ships it must never log or persist credentials or command text — only per-IP connection counters for rate limiting.
RCON is effectively root on your server. Anyone holding the password can op themselves, wipe the world or run stop. Don't use RCON over public Wi-Fi or any network you don't trust, keep the RCON port firewalled to addresses you control, and rotate the password if you ever suspect it leaked.

Enable RCON

server.properties lines

Add these to your server.properties (then restart the server). Replace the password placeholder with your own.

enable-rcon=true
rcon.port=25575
rcon.password=choose-a-strong-password

Exposing the RCON port to the whole internet is risky — firewall it to your own address. The firewall rule generator builds the exact rule to lock it down.

Disconnected

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Quick actions

Your button bar

One click runs the command. These are stored in this browser only — they contain no credentials and no server details.

Preset library

Add a command as a button

Click a preset to add it to your button bar. Presets for a plugin only work if that plugin is installed.

Vanilla / Paper · works on any server

EssentialsX · needs EssentialsX installed

LuckPerms · needs LuckPerms installed

Build your own

Leave out the leading slash — RCON runs commands as the console, which doesn’t use one.

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