Setting Up a Safe Multiplayer Server

Establish Clear Rules

Before players join, communicate the core rule: never type or write "2521" in any context. This includes chat, book titles, signs, or coordinates. Make this rule visible in your server welcome message or rules file so new players understand the danger immediately.

Use Chat Monitoring

Consider using server plugins or mods that can filter or flag messages containing the forbidden number. This acts as a safety net for accidental mentions. Some servers implement automatic warnings when the number is detected, giving players a chance to rephrase before the entity spawns.

Prepare for Incidents

Even with warnings, accidents happen. Decide in advance how you'll handle summoning events:

• Will you restart the server?
• Should players accept the death as final?
• Should you disable the mod temporarily after repeated incidents?

Communicate these consequences to your community so everyone knows what to expect if SCP-2521 is accidentally triggered.