Description
Gallery
Changelog
Versions
Features:
- An automatic Antibot
- A well-developed Login System
- Geyser support
- Automatic register/login for premium Java/Bedrock players
Showcase
Geyser support
The plugin also appropriately handles antibot checks relating of Geyser players
All Versions
+ Add Version| Name | Game version | Platforms | Published | Downloads | Actions |
|---|---|---|---|---|---|
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
|
R
Hotfix
|
13h ago | 1 | |||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 | ||||
| 13h ago | 1 |
[3.10.0] Issues fix, stable version release
by shadowofheaven70 on Oct 15, 2026
Download
Changes since 3.10.0 (DEV-2)
- Fixed a nasty issue related to partial writes on congested networks
- 'allow-case-sensitive-nicknames' is now false by default
- Optimized v4 ip look-ups
- Properly accounted for legacy ping
- Fixed improper firewalls
[3.10.0-(DEV-1)] Fix erroneous message
by shadowofheaven70 on Oct 15, 2026
Download
- Fixed non-premium players getting an invalid packet message instead of the actual packet (except the very first person)
- Added a fail-safe for non-limbo after-verification packet resend
[3.9.2-(DEV-6)] Hotfix for 3.9.2 (DEV-5)
by shadowofheaven70 on Oct 15, 2026
Download
- Fixed version checker errors & offloaded it to blocking execution scheduler
[3.9.2-(DEV-5)] Hotfixes, Better Antibot Algorithms
by shadowofheaven70 on Oct 15, 2026
Download
- Fixed SEGFAULT upon panic mode activation (my bad bruh)
- Fixed random timeouts (and possibly false firewalling) caused by a race condition
- Fixed console spam caused by bots scanning the internet
- Improved premium data request sources (Removed AshCon, set Mojang as primary source)
- All 'matscan' scans will now be firewalled by default
- Added an 'auto' option to premium-uuid
- Removed obsolete Internal NIO Interceptor firewall type
- Fixed empty password salt hashing issues
- Fixed invalid and near-zero timeouts for all firewall entries
- Modernized antibot algorithms: C1 -> C2, B2 -> B3
- Removed 'virtual-limbo-server' & '__no-premium-auth-but-keep-identity' from config.yml
- Fixed premium auth disconnect errors
- Fixed new bedrock players receiving "[No captcha]"
[3.9.1] AlixSystem - 3.9.1, Hotfix
by shadowofheaven70 on Oct 15, 2026
Download
- Fixed some HAProxy set-up issues, such as indefinite waiting and pre-login checks not properly working
- Fixed 'Invalid host' sometimes appearing for niche handshake formats
- Fixed invalid packet disconnects at password validity feedback
[3.9.0] AlixSystem 3.9.0
by shadowofheaven70 on Oct 15, 2026
Download
- Added 26.2 support
- Drastically reduced additional latency caused by Alix during join
- Fixed several errors causing random disconnects to players
- Enhanced bot attack & DDoS detection algorithms (Some new ones are still in production)
- Optimized several critical parts of connection handling
- Added automatic HAProxy support
- Reduced the firewall's memory footprint & introduced time-based firewall entries
- Added Panic Mode, which allows only already-registered players to join, activated whenever suspicious network activity is detected
- Players will now, by default, be sent to the virtual limbo for login, if possible, in order to reduce main server pressure. If this option causes issues or isn't desired, it can be turned off at 'virtual-limbo-login' in config.yml
- Enhanced automatic host recognition, now accounting for a reverse-proxy
- Added the ability to configure whether users with differently-cased, but ignoring case equal nicknames, should be allowed to join
- Reworked Alix's Fast Unsafe Epoll init mechanic
- Added atomic file writes & graceful continues at read fail
- Fixed 'Already connecting (...)' sometimes appearing for players
- Premium requests are now always cached, reducing rate limits
- The virtual limbo can no longer be turned off, due to the extreme optimization and functionality it provides. As such, manual visual captcha should no longer ever appear for any player
- Fixed several virtual limbo issues, related to a read never completing
[3.8.2] Hotfix
by shadowofheaven70 on Oct 15, 2026
Download
- Hotfix for 3.8.1, where new premium players would timeout due to a console error
[3.8.1] AlixSystem 3.8.1
by shadowofheaven70 on Oct 15, 2026
Download
+ Added 26.1 Support
+ Added /as rf, used for forcefully registering a player
+ (Hopefully) Added support for premium player renames
+ Added /as rf, used for forcefully registering a player
+ (Hopefully) Added support for premium player renames
- Fixed invalid BCrypt passwords logic
[3.8.0] AlixSystem 3.8.0
by shadowofheaven70 on Oct 15, 2026
Download
- Fixed possible random client disconnects on some linux machines due to internal flushing error and reversed compression logic
- Added a few new configuration options
- Changed default encoding strategy to runtime caching instead of pregenerating all
- Fixed IP not updating after login
[3.8.0-(DEV-1)] Database support, bug fix, better password handling
by shadowofheaven70 on Oct 15, 2026
Download
- Added DataBase sync support
- Fixed deprecated buf util causing issues
- Lifted password limitations: Max length 30 -> 50, Min valid ASCII char 35 -> 33, Max 382 -> No upper limit, allowed special characters
- Improved password invalidity feedback
- Fixed limbo "Loading terrain..." 30-second screen for 1.19.3+ clients (no idea if lower versions get it)
[3.7.4-(DEV-5)] AlixSystem-3.7.4-(DEV-5)
by shadowofheaven70 on Oct 15, 2026
Download
+ Optimized the "alix_captcha_world"
+ Added a fail-safe kick
+ Blocked command execution if anything fails
+ Added support for Paper's async spawn event
+ Added the option to set a player's password to the option specified by the command executor
+ Added a fail-safe kick
+ Blocked command execution if anything fails
+ Added support for Paper's async spawn event
+ Added the option to set a player's password to the option specified by the command executor
- Fixed hunger drop during verification
- Fixed minor error message sometimes appearing during disconnect at join
- Database migration now also supports MySQL
- Fixed a possible in the virtual limbo during invalid packet kick
- A try to fix sun.misc.Unsafe on java 25 and newer
[3.7.3] AlixSystem 3.7.3
by shadowofheaven70 on Oct 15, 2026
Download
- Spigot & forks 1.21.11 load hotfix
[3.7.2] AlixSystem 3.7.2
by shadowofheaven70 on Oct 15, 2026
Download
- Support 1.21.11
- Updated PacketEvents
[3.7.2-(DEV-3)] AlixSystem 3.7.2 (DEV-3)
by shadowofheaven70 on Oct 15, 2026
Download
- Fixed a bedrock player issue
- Fixed a java client disconnect error
[3.7.2-(DEV-2)] AlixSystem 3.7.2 (DEV-2)
by shadowofheaven70 on Oct 15, 2026
Download
- Fixed the console error message (and possibly spam) during early client packet processing error
- Fixed possible alix exception init spam
- Fixed 'Network Protocol Error' in the automatic antibot by removing one of the logical checks
- Fixed 'Network Protocol Error' during the QR code view
- Added a brand new logical check for the automatic antibot
- Added proper Alix API, including bukkit event invocations
[3.7.1] AlixSystem 3.7.1
by shadowofheaven70 on Oct 15, 2026
Download
- Minor fixes
- PacketEvents update
[3.7.1-(DEV-3)] AlixSystem 3.7.1 (DEV-3)
by shadowofheaven70 on Oct 15, 2026
Download
+ 1.21.10 support
+ Added a late-override mechanic if premium-uuid is true and uuid was not set to v4
+ Added an unsafe config param for very limited backend usage to support backwards compatibility
+ Added the ability to migrate from AuthMe
+ Added a late-override mechanic if premium-uuid is true and uuid was not set to v4
+ Added an unsafe config param for very limited backend usage to support backwards compatibility
+ Added the ability to migrate from AuthMe
- Fixed issues related to client network crashes
- Fixed a security vulnerability, where the player would never undergo verification (on certain servers)
- Optimized NanoLimbo
[3.7.0] AlixSystem 3.7.0
by shadowofheaven70 on Oct 15, 2026
Download
+ Added 1.21.6+ support
+ Added a safe-guard against giant memory allocations, resulting in an OOM, in the Virtual Server
+ General optimizations
Also should be nearing adding the AuthMe -> Alix data migration
+ Added a safe-guard against giant memory allocations, resulting in an OOM, in the Virtual Server
+ General optimizations
Also should be nearing adding the AuthMe -> Alix data migration
[3.6.3] AlixSystem 3.6.3
by shadowofheaven70 on Oct 15, 2026
Download
- Added 1.21.5 support
- Hopyfully fixed join errors & random disconnects, by always re-encoding the handshake packets
- Fixed other minor issues
[3.6.3-(DEV-1)] AlixSystem 3.6.3 (DEV-1)
by shadowofheaven70 on Oct 15, 2026
Download
- Fixed captcha timeout tasks never starting
- Fixed errors on password resets
![AntiCrash [Pterodactyl]](uploads/icons/thumbs/anticrash-pterodactyl_d9dbf578_thumb.jpg){kind=icon}
