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Port 3000 Details

known port assignments and vulnerabilities
threat/application/port search:
Port(s) Protocol Service Details Source
3000 tcp various AdGuard Home Web Interface
Ruby on Rails applications default port
MDaemon WorldClient
Rocket Chat
Calista IP Phone (TCP/UDP)
Viewgate Classic DVR
Grafana (default http port)
GOGS (self-hosted GIT service)

Homeworld, Destroyer Command (TCP/UDP), Theef, Silent Hunter II (TCP/UDP), Active Worlds File Transfer (TCP/UDP), Miralix License server

Malware that uses this port: Remote Shutdown, InetSpy,

Alt-N Technologies MDaemon 3.5.4 allows a remote attacker to create a denial of service via the URL request of a MS-DOS device (such as GET /aux) to the Worldclient service at port 3000, or the Webconfig service at port 3001.
References: [CVE-2001-0583] [BID-2478]

WDaemon 9.5.4 allows remote attackers to access the /WorldClient.dll URI on TCP port 3000, which has unknown impact. NOTE: The researcher reports that the vendor response was "this is not a security bug."
References: [CVE-2007-0383] [OSVDB-34661]

Multiple stack-based buffer overflows in pdmwService.exe in SolidWorks Workgroup PDM 2014 SP2 allow remote attackers to execute arbitrary code via a long string in a opcode to port 3000.
References: [CVE-2014-100014]

Backdoor.Win32.Buterat.cxq / Insecure Permissions EoP - this malware creates an insecure dir under c:\ drive named "process", where it drops a random named executable and later moves it to C:\Users\[VICTIM]\AppData\Local\Temp where it sends SYN packets to TCP port 3000. The process dir grants change (C) permissions to the authenticated users group.
References: [MVID-2021-0063]

Cloud9 Integrated Development Environment server (IANA official)
3000 udp btsync BitTorrent Sync (BTsync) uses port 3000 UDP to connect to torrent trackers. It also uses another configurable random UDP listen port (and/or UPnP).
Distributed Interactive Simulation (DIS) default port (unofficial)
Calista IP Phone, VidPhone
Trend Micro Antivirus products may use port 3000 UDP to communicate with their servers.

Some games use this port: Homeworld, Destroyer Command (TCP/UDP), Theef, Silent Hunter II (TCP/UDP), Active Worlds File Transfer (TCP/UDP)
3000 tcp Miralix License server (unofficial) Wikipedia
3000 udp Distributed Interactive Simulation (DIS), modifiable default (unofficial) Wikipedia
3000 tcp trojan InetSpy, Remote Shut, Theef Trojans
3000 tcp InetSpy [trojan] InetSpy SANS
3000 tcp ppp User-level ppp daemon SANS
3000 tcp RemoteShut [trojan] Remote Shut SANS
3000 tcp,udp remoteware-cl RemoteWare Client SANS
3000,5670,7777,7000-7100 tcp applications Active Worlds Portforward
3000 tcp applications Active Worlds File Transfer Portforward
3000 udp applications Calista IP Phone Portforward
3000 tcp,udp applications Destroyer Command Portforward
3000,3105 tcp,udp applications Settlers 4 Portforward
80,3000-3007,8800 tcp,udp applications Talon DVR Portforward
3000,18075 udp applications Timespliters Future Perfect Portforward
3000-3005 tcp,udp applications VidPhone Portforward
3000 tcp ppp User-level ppp daemon, or chili!soft asp Nmap
3000 tcp threat W32.Mimail Bekkoame
3000 tcp,udp threat FirstClass Bekkoame
3000 tcp,udp threat MDaemon 3.1.1 Webconfig Bekkoame
3000 tcp,udp hbci HBCI IANA
3000 tcp,udp remoteware-cl RemoteWare Client IANA
23 records found
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Related ports: 3003  3007  15400  15401  5000  

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External Resources
SANS Internet Storm Center: port 3000

Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly used port numbers for well-known internet services.
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.

TCP ports use the Transmission Control Protocol, the most commonly used protocol on the Internet and any TCP/IP network. TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. Guaranteed communication/delivery is the key difference between TCP and UDP.

UDP ports use the Datagram Protocol. Like TCP, UDP is used in combination with IP (the Internet Protocol) and facilitates the transmission of datagrams from one computer to applications on another computer, but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received the message to process any errors and verify correct delivery. UDP is often used with time-sensitive applications, such as audio/video streaming and realtime gaming, where dropping some packets is preferable to waiting for delayed data.

When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them. This can be accomplished in both Windows command prompt and Linux variants using the "netstat -aon" command. We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software. For more detailed and personalized help please use our forums.

Please use the "Add Comment" button below to provide additional information or comments about port 3000.
  User Reviews/Comments:
by anonymousdog - 2011-03-16 09:56
Trend Micro Server Protect for NT (and more recent A/V products from Trend) use udp 3000 broadcasts to locate the local IS server for that product. This is totally expected and NOT malicious traffic.
by anonymous - 2011-06-10 14:32
Ruby on Rails applications use port 3000 by default.
by anonymous - 2013-07-17 12:34
MDaemon WorldClient uses 3000 by default
by anonymous - 2017-04-17 21:53
Rocket.Chat uses port 3000 by default
by Grafana User - 2019-05-18 05:02
Grafana uses also port 3000 for http/https Interface in default configuration
by anonymous - 2021-01-21 13:30
Also sometimes used by NodeJS
by anonymous - 2022-05-03 13:46
AdGuard Home Web Interface uses by default port 3000.
by anonymous - 2023-05-19 21:57
aerospike can use port 3k, 3001,,,
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