NoCheatPlus
Detect and fight the exploitation of various flaws/bugs in Minecraft!
Introduction
NoCheatPlus attempts to prevent cheat clients from exploiting weaknesses of Minecraft or its protocol, making your server more safe. Checks cover a wide range of issues including flying and speeding, fighting hacks, fast block breaking and nukers, inventory hacks, chat spam and other types of malicious behaviour. For a more complete list have a look at the Features Page.
NoCheatPlus puts emphasis on configurability and allows you to customize actions that are carried out when a player fails a check (e.g. silent cancelling, executing commands, just logging). Bypass permissions allow to control what check to apply for which players, all checks can be deactivated in the configuration, also having the option for world-specific configuration files. Many checks allow more detailed configuration to adjust sensitivity.
Certainly NoCheatPlus is not a magical bullet, it uses a lot of heuristics and even guessing, so you will encounter false positives here and there and also not catch every single violation. Example video of how NoCheatPlus blocks cheats (outdated plugin version).
NoCheatPlus was introduced by NeatMonster, building on the code base of NoCheat by Evenprime.
Recommended
The following plugins might be useful to have a look at.
ProtocolLib
Allows NoCheatPlus to activate packet-level checks, covering a range of exploits that can't be monitored using ordinary means. Since roughly Minecraft 1.7.10, the fight.speed check can't work as expected anymore, due to changes in CraftBukkit. With ProtocolLib this can be repaired.
CompatNoCheatPlus (cncp)
Make plugins like mcMMO or MachinaCraft more compatbile with NoCheatPlus. Not all existing plugins are covered (yet), but you can leave a note or create an issue/ticket request for cncp. Phasing out: Citizens 2 should work with NCP out of the box, MagicSpells are working on compatibility too - rest will be integrated into NCP.
Orebfuscator
Orebfuscator fights all sorts of X-ray-hacks by altering the map information that is sent to the players, such that they have to mine blocks to actually reveal what is behind. Virtually a "must have". (Latest versions of Spigot contain features of Orebfuscator.)
Downloads and History of Changes
- Download officially approved versions on the Files page at BukkitDev.
- Development builds have been moved over to the Jenkins at md-5.net.
- Do not download from any other source, do not use jars other people send you.
- Change lists: Wiki (digest) | Jenkins (by build number) | GitHub (all commits).
- Source code
Plugin statistics are no longer reported to mcstats.org.
Support
Documentation Resources
- Consider first: Frequently asked Questions and Known Issues.
- Wiki (Configuration, Permissions, Commands)
- Developers might have a look at the page describing the API of NoCheatPlus.
Contact us
- Quick questions can be asked on this page,
or on IRC (Server: irc.spi.gt | Default-Port: 6667 | SSL-Port: 6697 | Channel: #nocheat | Web client: WebIRC) - For real issues or feature requests please create a new issue/ticket or add to an existing issue/ticket.
- To send information that is not to be seen by all, you can also reach us by PM to @asofold and @MyPictures. @IceAP (IRC: ICE) will also help or redirect the conversation. Please do not contact the user 'NoCheatPlus', it is for administrative purposes only and will likely not be answered in time. Keep to BukkitDev and GitHub for support, do not trust users on other forums or websites, also not if their nick names are the same as NCP staff on BukkitDev.
Please always state the output of the "ncp version" command to let us know versions in use (users of cncp also the "cncp" command).
Comments
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_ForgeUser9668734 Owner
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_ForgeUser15078623 Ticket Manager
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_ForgeUser16101223 Contributor
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_ForgeUser7091862 Former Author
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_ForgeUser7459264 Former Author
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Forge_User_61842651 Author
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MyPicturesCP Artist
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Posted Apr 16, 2012Hi dear NeatMonster, how are you today?
I wanted to say that everytime I read your updates I have a huge smile on my face and get relaxed! Thanks again.
I have a question / issue maybe, some users have reported that aura kill, (long distance attacks) works with nocheat+ but does not with nocheat. Can you check into this, aura kill is the long range sword / hit hack. :) Thanks.
Hope you have a great day!
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Posted Apr 16, 2012@deleted_8156133 NoPwnage integrated into NoCheat+ would be perfect to prevent spam bots.
@JohnPulse @rebel24 You're probably right, I'll remove it in the next version. But you'll have to give the correct permissions to your users to hide the plugins list.
@mrchasez I can't tell you if there is an issue or not.
@sexysteve865 @sexysteve865 @sexysteve865 As I said previously, I would like to integrate NoPwnage into NoCheat+.
@WhiteNightFury It won't work with seconds, trust me.
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Posted Apr 16, 2012Still have an issue with /pl
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Posted Apr 16, 2012If you can add this function, this would be amazing so I dont have to have 2 different plugins cause this is honestly better than a no spam function.
http://dev.bukkit.org/server-mods/spamblocker/
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Posted Apr 16, 2012can you make it possible to instead of using a violationlevel in packages, using something like seconds?
should be a handy feature.
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Posted Apr 15, 2012@NeatMonster
Thank god, pwnage has been raping us, we have banned the main ip's so its no biggie now but it was killin the chat, still 20 tps though so they kinda fail a bit lol.
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Posted Apr 15, 2012I have 0 issues with the newest build o f bukkit.
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Posted Apr 15, 2012@NeatMonster
Is this working now without the issues?
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Posted Apr 15, 2012Hi there.
The "hide plugin" feature should be removed IMO. Is making some issues with the plugin "vanila" for example. (showing the hidden plugins)
Regards, John
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Posted Apr 15, 2012@NeatMonster
Nice :D That will be double protection from spam!
I'm sure they will soon find that they can log in their accounts slowly, but then if you add NoPwnage, it will be nearly impossible to spam :)
@rtcabooservb
Yeah this works well. If they are normal players being disconnected try to lessen the sensitivity in the configuration.
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Posted Apr 15, 2012@deleted_8156133 Thanks, I'll improve this functionality by integrating NoPwnage into NoCheat+.
@rtcabooservb @rtcabooservb Players shouldn't be kicked anymore after a server restart in the next version.
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Posted Apr 15, 2012@deleted_8156133
My users also get kicked for spambot trying to join the server. :o
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Posted Apr 15, 2012I vouch for spamjoin.
Here is my log if this will help :)
http://pastebin.com/3BXrqBZf
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Posted Apr 15, 2012With NCP, console randomly kicks players. How do I disable this?
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Posted Apr 15, 2012@AS1LV3RN1NJA Thanks for you support!
@Thyrin Yeah, it's on my TODO but I would like to have a complete list of what is and isn't working.
@Royalgamer06 NoCheat still works but it won't be updated anymore.
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Posted Apr 15, 2012Love the plugin, though McMMO support would be greatly appreciated. Dont get me wrong though, you are supporting this plugin wonderfully and I understand the work that goes behind this.
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Posted Apr 15, 2012Just want to say, you're doing an awesome job with this plugin. Love the quick updates.
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Posted Apr 15, 2012@ryvix Fixed in v3.5.5_5, thanks for the comment!
@Pr07o7yp3 I'll see what I can do, but I need more information.
@sd5 Haha, nice! :D
@Subrosabmx It's an issue with your permissions, NC+ is using Bukkit's internal method to check if the player has a permission or not.
@fromgate I won't add a configurable option for that, but if you have more codes to add to NC+, open a ticket or PM me.
@Tombikos There is another update available (more bug fixes).
@rasnyderiii Great idea, sadly I haven't read it before releasing the new version.
I think I've done enough bug fixes, next release will focus on adding more functionalities (and will probably be also included into Essentials core package).
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Posted Apr 15, 2012suggestion:
add prefix command /ncp to be short version of /nocheatplus
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Posted Apr 15, 2012Thanks for this new gr8 update ;).