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SideGate

SideGate

SideGate is a Minecraft server plugin that provides a hybrid authentication system for mixed-access environments. Premium players can join normally through Mojang authentication, while administrators may optionally allow specific non-authenticated accounts

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Compatibility

Minecraft: Java Edition

26.1.x
1.21.x
1.20.x
1.19.x

Platforms

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Details

Licensed ARR
Published 2 days ago

SideGate

SideGate Logo

Hybrid Access Control for Online-Mode Servers
Keep online-mode security while selectively allowing administrator-approved guest accounts.

GitHub Documentation CurseForge SpigotMC

In-Game Screenshot

What is SideGate?

SideGate is a Bukkit-compatible plugin (Spigot/Paper/Purpur) designed for servers that want to keep online-mode=true while selectively allowing administrator-approved guest accounts.

Authenticated players continue using the server's standard login flow, while approved guest accounts are handled through configurable SideGate access policies.

Why use SideGate?

  • Keep standard online-mode behavior for authenticated players.
  • Avoid changing the entire server authentication mode.
  • Control exactly which guest accounts may join.
  • Apply restrictions and visual labels to guest accounts.

Core Features

  • Hybrid Login Flow: Authenticated players use the standard server login process, while approved guest accounts follow SideGate access rules.
  • Manual Account Override: premium-usernames can always follow the standard login path.
  • Guest Admission Policy: Use allow-all-guests or allowed-guests.
  • Optional Account Detection: Optional account status lookup with internal cache (auto-detect-premium).
  • Guest Handling: Apply guest tags, GameModes, titles, subtitles, and messages.
  • Guest Chat Prefix: Prefix applies to guest-tagged players only.
  • Runtime Reload: /sidegate reload.
  • Public API: Addon plugins can integrate through SideGate API services.

Installation

  1. Install ProtocolLib (5.x+).
  2. Put the SideGate .jar file inside your /plugins folder.
  3. Set the following in server.properties:
online-mode=true
  1. Start or restart the server.

Configuration Example

# SideGate Configuration

enable-guest-mode: true
auto-detect-premium: true

allow-all-guests: false

premium-usernames:
  - "TamKungZ"

allowed-guests:
  - "FriendName1"
  - "FriendName2"

guest-settings:
  default-gamemode: "SURVIVAL"
  chat-prefix: "&7[Guest] &r"

messages:
  join-title: "&eGUEST ACCESS"
  join-subtitle: "&7Limited Access"
  join-message:
    - "&7=================================="
    - "&6 Welcome to SideGate"
    - "&7 Account Status: &eGuest Access"
    - "&7 Some gameplay restrictions may apply."
    - "&7=================================="

Requirements

  • Java: 17+
  • Server: Spigot / Paper / Purpur (Bukkit-compatible)
  • Dependency: ProtocolLib 5.x+

Bug Reports

Submit issues at:

https://github.com/TamKungZ/SideGate/issues

Please include:

  • Server software + exact version
  • Java version
  • ProtocolLib version
  • SideGate version
  • Relevant startup/login logs

Project Status & License

Closed Source

  • Normal server usage is allowed.
  • Separate addon plugins using the SideGate public API are allowed.
  • Modification, redistribution, or repackaging is not allowed without permission.
  • Commercial use or monetization requires prior permission via email: kittiwut.pimpromma@gmail.com

Public reference snapshot:

https://github.com/TamKungZ/SideGate (sidegate-1.0.0-rc.1)

Security Notice

Guest account access may introduce identity verification limitations. For trusted/private servers, additional authentication or permission management plugins are recommended.