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Halt is the incident-response layer. Pair it with packet hardening, vanilla patches, and a combat anticheat when those layers matter for your gamemode. Halt does not replace them. Baseline for every stack:
  • Paper (or Folia) with sensible book / item validation settings. Halt’s jar is Java 17 bytecode; Paper/Folia 1.20.5–1.21.x hosts need Java 21; 26.1+ hosts need Java 25. Folia 26.2 is experimental.
  • Halt with alert-first defaults
  • Discord webhook configured for HIGH/CRITICAL

SMP / economy survival

Skyblock / BoxPvP

Lifesteal / PvP-heavy

Minimal budget stack

Coexistence rules

  • Do not stack Grim and Vulcan.
  • Prefer one packet firewall (LPX or ExploitFixer), not both.
  • ExploitFixer may conflict with other packet listeners (HamsterAPI path). Follow that product’s guidance.
  • Halt stays on Bukkit-level signals and does not require PacketEvents, ProtocolLib, or HamsterAPI.

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