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 Example video of how NoCheatPlus blocks cheats (outdated plugin version).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 Aug 3, 2012@CheeseBallz02
Go to 5th page, and read what Juliui put.
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Posted Aug 3, 2012I would like to know where people are getting all theses ideas that the creator dropped out i havent seen him post any infomation about him dropping out.
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Posted Aug 3, 2012@asofold
I was interested in supanocheat, but for some reason, i cannot get on that page, so i really hope that person continues this. Also, I thought there was supposed to be 1 last release of this plugin?
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Posted Aug 3, 2012@MasterGabeMOD
As far as i know the author dropped this !
You might check out the previous pages ....
Probably others will continue it or form something new or old somewhere else.
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Posted Aug 3, 2012@dtmotr123
I've been seeing him on everyday. When he comes on, he's online for about 15 minutes, then gets off. A few hours later, he comes back. I do not know what he is up to, but i would like to get that update as well.
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Posted Aug 3, 2012Last login of the author was 2 hours ago so he is still on Bukkit...would be nice if he updated us somehow.
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Posted Aug 2, 2012i really hope someone that knows what they are doing takes this off the authors hands and updates it because this is the only nocheat plugin i will use, i refuse to use anticheat because it it way too problematic for me =/
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Posted Aug 2, 2012@MyPictures
I agree about 1.3.1 dev build, don't use it unless you really know what you're going to experience. I'd suggest to all, if you're going to use it, make daily backups of everything, from maps to plugins.
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Posted Aug 2, 2012@Pr07o7yp3
I don't think @NeatMonster will just push the plugin to a unknown developer, someone should take over this plugin and continue it on a other name.
@UberCHAN
Craftbukkit 1.3 doesn't kill NoCheatPlus but it will be buggy of course since Mojang changed much background stuff in Minecraft 1.3.1.
@All Craftbukkit 1.3 is a unstable build, so DON'T use it on official servers yet, you will just break your server with it.
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Posted Aug 2, 2012I love this plugin but this inactive makes me use AntiCheat. Just there are too many new hacks which most of their features works perfectly.
Please NeatMonster, if you don't have a time for NC plis plus give it for someone that have.
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Posted Aug 2, 2012@servvs
The moving checks are clearly too heavy, though very powerful machines with not too heavy other plugins might take them even with many users online.
The more packets check just counts the PlayerMove events, if i am not mistaken.
Running normally on a test server with roughly 10 online (disabled: nopwnage, water walk, unpushable), curently...
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Posted Aug 2, 2012@MasterGabeMOD
Thanks for the response. I will try it out.
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Posted Aug 2, 2012@servvs
I don't think it matters. I have 150+ players online at the moment, and disabling nocheat+ did not make a difference, however, I'm not needed for it at the moment. With craftbukkit being unstable, laggy, and crap, I would not say it's really needed. What you can try to do is, provide them with best performance as possible until there's a stable release of craftbukkit, then you can try out the plugins. I would just mainly stick with world protection plugins, maybe world edit, and some other things for now.
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Posted Aug 2, 2012@MasterGabeMOD
do you know of anything else to use while NCP is disabled? Maybe anticheat will work without the lag?
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Posted Aug 2, 2012@servvs
Yeah, I noticed alot of lag as well. I had to disable nocheatplus, as it was kicking 3-4 players every time the server lagged
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Posted Aug 2, 2012I have noticed many servers lagging today with 1.3.1. I think NCP is the culprit as it checks for packets being sent by the clients and Mojang did change the packet size quite a bit with the new 1.3 update. I have tried changing some configs to help this and it seems too.
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Posted Aug 2, 2012@MyPictures Sorry I'm getting a little bit confused here, so does the latest version of NocheatPlus (3.6.1) block flying on the newest CraftBukkit 1.3 dev? I'm getting confused whether 3.6.1 is the "newest NoCheatPlus which was not completed" you're talking about :/
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Posted Aug 2, 2012On 1.3, NoCheat complains about fighting.instantheal (VL 0) and moving.nofall (up to VL 2) due to changes in 1.3 versus 1.2.5. For now, I'll suppress the messages in the config.
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Posted Aug 2, 2012Tested with the last dev build of bukkit (for Minecraft 1.3) and it just works fine: http://dl.bukkit.org/downloads/craftbukkit/view/01262_1.3.1-R0.1/
So yea it will be 1.3 compatible ;)
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Posted Aug 2, 2012@FyrstikkenNW
By using a Permissions plugin and reading the Instructions.txt.
@xDrapor
I don't think that bukkit will do massive changes on the API again, so it could work with 1.3.
@MasterGabeMOD
NeatMonster didn't finish the new NoCheatPlus, and I think SurvivalFly was in development when we stooped developing NoCheatPlus. So just us the recommended version, the dev version should only be used when someone wants to contuine this plugin.