Overview of services running on Port 2000 TCP.
~1.71 Million IP addresses observed from May to December 2012
To get raw lists of the data go to Download. For an explanation of what this data is and how it was obtained, see Paper.

Servicename Product Version InfoOSDevicetypeCount Percent
bandwidth-testMikroTik bandwidth-test server117316568.688
winboxMikroTik WinBox management console1615989.461
no match1054216.172
telnet972595.694
rifa-dvrRifatron DVRwebcam164610.964
http157120.92
sieveDovecot timsieved146580.858
sslSSLv3146420.857
jetdirectJetDirectprinter96870.567
sslTLSv189680.525
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-7.el5_4.3included w/cyrus imap50570.296
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-12.el5_7.2included w/cyrus imap45290.265
ircDancer ircd40950.24
httpSonicWALLfirewall36980.217
httpRemotelyAnywhere remote PC management httpd8.0.66836370.213
chatAIM or ICQ server25930.152
sieveCyrus timsieved2.3.9-Fedora-RPM-2.3.9-7.fc7included w/cyrus imap24130.141
httpBoa HTTPd0.94.14rc2120420.12
httpMicrosoft IIS httpd19370.113
sieveDovecot Pigeonhole sieve1.019070.112
httpGeoVision GeoHttpServer for webcamswebcam14320.084
ftp12770.075
httpAvtech AVN801 network camera1.0UPnP 1.0webcam12300.072
httpRemotelyAnywhere remote PC management httpd10.0.108611000.064
httpMicrosoft HTTPAPI httpd2.0SSDP/UPnPWindows10670.062
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-7.el5_6.4included w/cyrus imap10230.06
httpCross Web Server9840.058
httpGoAhead-Webs httpd9810.057
httpHikvision-Webs9660.057
sievepysieved1.08940.052
httpBoa HTTPd0.94.138800.052
sieveCyrus timsieved2.3.16included w/cyrus imap8260.048
sieveCyrus timsieved2.2.13included w/cyrus imap8240.048
httpthttpd2.25b7850.046
httpmini_httpd1.19 19dec20037830.046
ftpPure-FTPd7280.043
httpuc-httpd1.0.07260.043
httpNetwave IP camera http configwebcam7170.042
telnetUsually a Cisco/3com switchIOSswitch6440.038
httpInnovative Interfaces Innopac httpd1105900.035
httpApache2.0.53(Fedora)5730.034
httpWangWnagSimpleServer1.05420.032
httpD-Link DIR-300 WAP http adminWAP5400.032
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-2.el5included w/cyrus imap5150.03
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-2.el5_3.2included w/cyrus imap4850.028
irc-proxyShroudBNC irc-proxy1.1 revision 3714820.028
telnetNASLite-SMB/Sveasoft Alchemy firmware telnetd4740.028
httpRemotelyAnywhere remote PC management httpd8.0.7474590.027
sieveCyrus timsieved2.3.11included w/cyrus imap4460.026
httplighttpd1.4.194450.026
httpWYM httpd1.04320.025
httpRemotelyAnywhere remote PC management httpd6.20.4674310.025
httplighttpd1.4.294290.025
httpRemotelyAnywhere remote PC management httpd8.0.6054270.025
httpWorld Client WDaemon httpd4.0Alt-N MDaemon webmailWindows4240.025
sieveCyrus timsieved2.3.11-Fedora-RPM-2.3.11-1.fc8included w/cyrus imap4180.024
httpRemotelyAnywhere remote PC management httpd8.0.5974180.024
nbdNetwork Block Device4050.024
sieveCyrus timsieved2.2.12included w/cyrus imap3840.022
arcserveARCserve Discovery3680.022
httpAIM1.03510.021
httpPDR-M8001.03470.02
httpApache2.0.52(Red Hat)3420.02
httpApache2.2.3(CentOS)3380.02
httphttpd 1.13340.02
httpApache Tomcat/Coyote JSP engine1.13140.018
httpRemotelyAnywhere remote PC management httpd9.0.8562990.018
httpBoa httpd2960.017
httpMiniServ0.01Webmin httpd2870.017
ftpMicrosoft ftpdWindows2810.016
httpGadspot/Avtech AV787 webcam http configwebcam2740.016
pop3-proxyFreePOPs pop3 proxy0.2.92730.016
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-1.1.el5included w/cyrus imap2720.016
httpDVR Systems webcam http interfacewebcam2630.015
sieveCyrus timsieved2.2.13-Debian-2.2.13-14+lenny6DebianLinux2610.015
sieveCyrus timsieved2.2.12-Invoca-RPM-2.2.12-8.1.RHEL4included w/cyrus imap2540.015
httplighttpd1.4.202540.015
vncVNCprotocol 3.82470.014
httpMicrosoft IIS httpd6.0Windows2450.014
httpRemotelyAnywhere remote PC management httpd7.00.5312410.014
sshOpenSSH4.3protocol 2.02380.014
sieveCyrus timsieved2.3.14included w/cyrus imap2370.014
httpGM Streaming Server httpdwebcam2190.013
socks52180.013
httpRemotelyAnywhere remote PC management httpd2120.012
sshOpenSSH5.5p1 Debian 6+squeeze2protocol 2.0Linux1910.011
telnetser2net telnetdDebian; serial port /dev/ttyS0Linux1850.011
httpMicrosoft HTTPAPI httpd1.0SSDP/UPnPWindows1850.011
httpthttpd1830.011
netbios-ssn1820.011
httpMbedthis-Appweb2.0.41810.011
httpRemotelyAnywhere remote PC management httpd7.10.5521790.01
httpXMLRPC1780.01
httpRemotelyAnywhere remote PC management httpd6.00.4491720.01
httpApache1690.01
sieveCyrus timsieved2.3.16-kolab-nocapsincluded w/cyrus imap1660.01
rtsp1660.01
httpPOSIX1650.01
httpApache2.2.31650.01
httpTechno Vision Security System http config2.0webcam1620.009
httpthttpd2.241600.009
vncVNCprotocol 3.61570.009
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-12.el5_7.1included w/cyrus imap1560.009
sshOpenSSH5.3p1 Debian 3ubuntu7Ubuntu Linux; protocol 2.0Linux1550.009
httpVNC Server Enterprise EditionE4.4.2 (r13117)1550.009
sieveCyrus timsieved2.4.16included w/cyrus imap1540.009
httpRemotelyAnywhere remote PC management httpd10.0.21001500.009
sieveCyrus timsieved2.3.13-kolab-nocapsincluded w/cyrus imap1490.009
sshCisco SSH1.25protocol 2.0IOS1420.008
insight-managerConsul InSight Manager1420.008
sieveCyrus timsieved2.3.9-Fedora-RPM-2.3.9-7.fc6included w/cyrus imap1410.008
telnetAdtran TA 600R router telnetdrouter1350.008
sshOpenSSH5.1p1 Debian 5protocol 2.0Linux1310.008
httpRemotelyAnywhere remote PC management httpd7.01.5411310.008
sshOpenSSH3.9p1protocol 1.991240.007
sshOpenSSH5.2protocol 2.01230.007
vncRealVNC Personalprotocol 4.01220.007
httpApache2.2.13(Unix) mod_ssl/2.2.13 OpenSSL/0.9.7e DAV/2 PHP/5.2.111200.007
httpuClinux-httpd0.2.2DxClient NetViewer DVR viewer 2.6.8.97Linux1120.007
http-proxySquid http proxy3.0.STABLE81120.007
directconnectDirect Connect P2PWindows1090.006
httpApache2.2.22(EL)1070.006
vncprotocol 31050.006
httpCherryPy httpd2.3.01050.006
sieveCyrus timsieved2.3.8included w/cyrus imap1040.006
sieveCyrus timsieved2.3.8Mac OS X Server 10.5:9G7013y1020.006
sieveCyrus timsieved2.3.12p2included w/cyrus imap1020.006
sshprotocol 1.51000.006
sieveCyrus timsieved1.0.0included w/cyrus imap990.006
sieveCyrus timsieved2.2.3included w/cyrus imap980.006
sieveCyrus timsieved2.2.12-Invoca-RPM-2.2.12-6.fc4included w/cyrus imap980.006
telnetLinux telnetdLinux970.006
openvpnOpenVPN970.006
httpthttpdPanasonic BB-HCM511 IP camera http config970.006
httpMultView WEB Server V1.1960.006
httplighttpd940.006
xml930.005
httpExpertAssist8.3.4.14920.005
httpVirata-EmWeb6.0.1910.005
httpApache2.0.55910.005
httpRemotelyAnywhere remote PC management httpd9.1.1016900.005
httpNetwork Digital Recorder900.005
httphttp server 1.0900.005
sshCisco SSH1.25protocol 1.5IOS880.005
httpUPnP1.0 miniupnpd880.005
sshOpenSSH5.3protocol 2.0870.005
spotify-loginSpotify login server870.005
httpRouter840.005
sieveCyrus timsieved2.2.13-Debian-2.2.13-19squeeze3build0.10.04.1DebianLinux830.005
sieveCyrus timsieved2.3.7included w/cyrus imap820.005
sieveCyrus timsievedincluded w/cyrus imap800.005
vnc-httpVNC Server Enterprise Edition httpdE4.4.2 r13117Resolution 400x250; VNC port 2001780.005
httpApache1.3.41760.004
httpMS-SDK-HttpServer1.0750.004
httpHttpd1.0750.004
tandem-printSharp printer tandem printingprinter740.004
sieveCyrus timsieved2.1.16included w/cyrus imap740.004
sievepysieved0.91+DEV730.004
sshOpenSSH4.6protocol 1.99720.004
rtspAvtech MPEG4 DVR control rtspd720.004
httpBoa HTTPd0.94.14rc18710.004
vncRealVNC Enterpriseprotocol 4.1700.004
sshOpenSSH5.5p1 Debian 6+squeeze1protocol 2.0Linux700.004
httpMicrosoft IIS httpd7.5Windows700.004
sieveDBMail timsieved2.2.17690.004
sieveCyrus timsieved2.4.12included w/cyrus imap670.004
httpScriptLogic DesktopAuthority httpd7.1.091Windows670.004
httpthttpd2.25b 29dec2003650.004
sieveCyrus timsieved2.3.9-Gentooincluded w/cyrus imap640.004
sieveCyrus timsieved2.2.13p1included w/cyrus imap640.004
sieveCyrus timsieved2.2.12-Gentooincluded w/cyrus imap640.004
httpGeneral User640.004
sieveCyrus timsieved2.2.13-Debian-2.2.13-14+lenny3DebianLinux630.004
httpWindWeb2.0630.004
httplighttpd1.4.26630.004
httpBoa HTTPd0.93.15630.004
pop3qpopper620.004
irc-proxyShroudBNC irc-proxy1.2 revision 1080620.004
httpReefAngel620.004
httpGoAhead-Webs embedded httpd620.004
sshOpenSSH5.9p1 Debian 5ubuntu1Ubuntu Linux; protocol 2.0Linux610.004
httpAllegro RomPager4.01610.004
sieveCyrus timsieved Murder2.3.16600.004
httpMicrosoft IIS httpd5.0Windows600.004
httphttpd600.004
irc-proxypsyBNC2.3.2-7590.003
httpTP-LINK Router580.003
sshCisco SSH1.25protocol 1.99IOS570.003
sshOpenSSH5.2p1FreeBSD 20090522; protocol 2.0FreeBSD560.003
httpWorld Client WDaemon httpd3.0Alt-N MDaemon webmailWindows550.003
httpVopSrv550.003
telnetPocket CMD telnetd540.003
svnserveSubversion540.003
sieveCyrus timsieved Murder2.3.15540.003
sieveCyrus timsieved2.2.13-Debian-2.2.13-19+squeeze3DebianLinux540.003
sieveCyrus timsieved2.1.18-IPv6-Debian-2.1.18-1+sarge2DebianLinux530.003
httpMicrosoft IIS httpd5.1Windows530.003
httpRemoteSupportManager1.0.0.48n-able remote management520.003
httpdcs-lig-httpd520.003
httpWYM httpd1.0IP-Video embedded camera http configwebcam510.003
httpuTorrent WebUIWindows510.003
httpHTTPServer500.003
httpBoa HTTPd0.94.14rc18-ipcam500.003
httpApache1.3.33500.003
solfeHP PNM Solid FlowEngine490.003
sieveCyrus timsieved2.2.13-Debian-2.2.13-10+etch4DebianLinux490.003
sieveCyrus timsieved2.2.12-Invoca-RPM-2.2.12-17.el4included w/cyrus imap490.003
sieveCyrus timsieved2.1.18-IPv6-Debian-2.1.18-5.1DebianLinux490.003
sieveDBMail timsieved2.2.11480.003
sieveCyrus timsieved1.1.0included w/cyrus imap480.003
sieveCyrus timsieved2.3.9included w/cyrus imap470.003
sieveCyrus timsieved2.2.13-Debian-2.2.13-13ubuntu3DebianLinux470.003
httpScriptLogic ExpertAssist remote management httpdremote management470.003
sieveCyrus timsieved2.2.12-Invoca-RPM-2.2.12-9.RHEL4included w/cyrus imap460.003
httpXitami httpd460.003
ftpServ-U ftpdSSL RequiredWindows460.003
ftpvsftpd2.0.8 or later450.003
sieveCyrus timsieved2.3.15included w/cyrus imap440.003
httplighttpd1.4.28440.003
httpH3C-Miniware-Webs440.003
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-12.el5included w/cyrus imap430.003
smtp420.002
sieveCyrus timsieved2.3.7-Invoca-RPM-2.3.7-1.1included w/cyrus imap420.002
httpwg_httpd1.0(based Boa420.002
httpJetty6.1.x420.002
httpIntoto httpd1.0410.002
httpApache1.3.37(Unix) PHP/5.2.1 mod_ssl/2.8.28 OpenSSL/0.9.8d410.002
ftpFreeBSD ftpd6.00LSFreeBSD410.002
sieveCyrus timsieved2.3.11-GIGASYS-Groupware-2.3.11-10included w/cyrus imap400.002
sieveCyrus timsieved2.2.12-Debian-2.2.12-4ubuntu1DebianLinux400.002
httpZ-World Rabbit400.002
sieveCyrus timsieved2.2.12-Invoca-RPM-2.2.12-3.RHEL4.1included w/cyrus imap390.002
sieveCyrus timsieved2.1.18included w/cyrus imap390.002
httpOwnServer1.0390.002
httpnginx390.002
httpCisco IOS http configIOS390.002
sieveCyrus timsieved2.3.1-Invoca-RPM-2.3.1-2.8.fc5included w/cyrus imap380.002
sieveCyrus timsieved2.2.12-Invoca-RPM-2.2.12-1.1.fc3included w/cyrus imap380.002
sieveCyrus timsieved2.2.12-Invoca-RPM-2.2.12-10.el4_8.4included w/cyrus imap380.002
http-proxySquid http proxy2.6.STABLE21380.002
httpWebCit7.71Citadel 7.71370.002
httpTRENDnet TV-IP100 or TV-IP110 webcam display httpdwebcam370.002
httpApache2.2.21(Win32) mod_ssl/2.2.21 OpenSSL/1.0.0e PHP/5.3.8 mod_perl/2.0.4 Perl/v5.10.1370.002
ftpFileZilla ftpd0.9.41 betaWindows370.002
sshDropbear sshd0.52protocol 2.0Linux360.002
sieveCyrus timsieved2.2.13-Debian-2.2.13-10DebianLinux360.002
sshOpenSSH3.7.1p2protocol 2.0350.002
sieveCyrus timsieved2.2.12Mac OS X 10.4.0340.002
sieveCyrus timsieved2.1.15included w/cyrus imap340.002
httpVivotek IP7131 Network Camera http configwebcam340.002
httpserver340.002
httpRemotelyAnywhere remote PC management httpd6.10.459340.002
http-proxySquid http proxy2.7.STABLE9340.002
httpMicrosoft ISA httpdWindows340.002
telnetSMC SMC2870W Wireless Ethernet Bridgebridge330.002
telnetAllied Telesis x900-series switch telnetdswitch330.002
sieveCyrus timsieved2.4.8included w/cyrus imap330.002
nntpINN nntpdposting ok330.002
httpW3MFC1.68330.002
http-proxySquid http proxy2.6.STABLE12330.002
httpApache1.3.27330.002
aperio-aafAperio Algorithm Framework330.002
sieveCyrus timsieved2.3.11-Fedora-RPM-2.3.11-1.fc9included w/cyrus imap320.002
httpTwistedWeb httpd8.2.0320.002
httpTRENDnet TV-IP110w or TV-IP422W webcam display httpdwebcam320.002
httpthttpd2.19-MX Jul 1 2010WAP320.002
httpthttpd2.19-MX Dec 8 2009WAP320.002
httpNetgear DG834 router http configbroadband router320.002
httpBoa HTTPd0.92o320.002
httpApacheSSL-only mode320.002
sieveCyrus timsieved2.4.6-Invoca-RPM-2.4.6-5included w/cyrus imap310.002
httpRemotelyAnywhere remote PC management httpd10.0.1068310.002
http-proxySquid http proxy2.5.STABLE14310.002
httpApache2.2.8Ubuntu DAV/2 mod_ssl/2.2.8 OpenSSL/0.9.8k; SSL-only mode310.002
sieveCyrus timsieved2.3.13included w/cyrus imap300.002
sieveCyrus timsieved2.2.12Mac OS X 10.4.8300.002
httpScriptLogic DesktopAuthority httpd6.0.201Windows300.002
httpRouter Webserver300.002
httpApache2.0.52(Fedora)300.002
sieveCyrus timsieved2.3.11-kolab-nocapsincluded w/cyrus imap290.002
sieveCyrus timsieved2.2.10-Invoca-RPM-2.2.10-1.RHEL4.1included w/cyrus imap290.002
sieveCyrus timsieved2.2.10included w/cyrus imap290.002
httpwebserver1.0290.002
httpWebServer290.002
httpDraytek Vigor ADSL router webadminbroadband router290.002
httpBoa HTTPd0.94.11290.002
sshOpenSSH5.8p1 Debian 7ubuntu1Ubuntu Linux; protocol 2.0Linux280.002
sshOpenSSH5.5p1 Debian 4ubuntu6Ubuntu Linux; protocol 2.0Linux280.002
sieveCyrus timsieved2.3.9-Fedora-RPM-2.3.9-7.fc8included w/cyrus imap280.002
httpApache2.2.22(Unix)280.002
httpApache2.2.14280.002
httpAllegro RomPager4.51 UPnP/1.0ZyXEL ZyWALL 2280.002
tcpwrappedBSD TCP Wrapperssieve270.002
httpGoAhead270.002
httpExpertAssist8.3.3.30270.002
httpD-Link/Airlink IP webcam http config1.0webcam270.002
httpApache0.6.5270.002
ftpFileZilla ftpd0.9.37 betaWindows270.002
ftpFileZilla ftpd0.9.24 betaWindows270.002
sshOpenSSH5.8protocol 2.0260.002
smtpMicrosoft Exchange smtpdWindows260.002
remotingMS .NET Remoting services260.002
httpPunkBuster http configGame: COD4260.002
httpExpertAssist8.2.1.38260.002
httpApache2.2.14(Ubuntu)260.002
sslTLS1.0250.001
sieveCyrus timsieved2.4.13included w/cyrus imap250.001
httpApache2.2.16250.001
telnetAMOS **********240.001
telnetAdtran TA 608 router telnetdrouter240.001
sshOpenSSH5.8p1 Debian 1ubuntu3Ubuntu Linux; protocol 2.0Linux240.001
sshOpenSSH5.4p1FreeBSD 20100308; protocol 2.0FreeBSD240.001
sshOpenSSH4.5p1FreeBSD 20061110; protocol 2.0FreeBSD240.001
smtpExim smtpd240.001
secure-socketCA Secure Socket Adapter240.001
httpeCensus Compliance Service. v2.14 (05.07.2010)240.001
httpApache2.2.22(Unix) PHP/5.3.10240.001
httpApache2.2.21(Unix)240.001
httpApache2.0.51(Fedora)240.001
giopCORBA naming service240.001
telnetMicrosoft Windows XP telnetdWindows XP230.001
sshOpenSSH5.5p1 Debian 6protocol 2.0Linux230.001
sieveCyrus timsieved2.2.10-Invoca-RPM-2.2.10-3.fc2included w/cyrus imap230.001
sieveCyrus timsieved2.1.12included w/cyrus imap230.001
httpthttpd2.19-MX Apr 26 2011WAP230.001
httpAirlink 101 or TRENDnet TVIP-422w webcam http configwebcam230.001
sieveCyrus timsieved Murder2.3.8-Fedora-RPM-2.3.8-3bu45s.8s220.001
httpRemoteSupportManager8.3.3.250220.001
httplighttpd1.4.13220.001
time32 bits210.001
sshDropbear sshd0.51protocol 2.0Linux210.001
smtpPostfix smtpd210.001
smtpMicrosoft ESMTP6.0.3790.4675Windows210.001
sieveDBMail timsieved2.2.10210.001
httpthttpd2.19-MX Oct 19 2011WAP210.001
httpRemoteSupportManager8.2.1.55210.001
httpRemoteSupportManager1.0.031n-able remote management210.001
httpRemotelyAnywhere remote PC management httpd5.21.422210.001
httpApache2.2.2(Unix)210.001
httpApache2.2.17(Win32) mod_ssl/2.2.17 OpenSSL/0.9.8o PHP/5.3.4 mod_perl/2.0.4 Perl/v5.10.1210.001
ftpProFTPDUnix210.001
telnetAdtran TA 616 router telnetdrouter200.001
sshOpenSSH5.1p1 Debian 5ubuntu1Ubuntu Linux; protocol 2.0Linux200.001
smtpSymantec Enterprise Security manager smtpd200.001
sieveCyrus timsieved2.4.6included w/cyrus imap200.001
sieveCyrus timsieved2.2.8included w/cyrus imap200.001
httpuTorrent utserver web interfaceLinux200.001
httpRemotelyAnywhere remote PC management httpd5.31.429200.001
httpPunkBuster http configGame: BF1942200.001
httpBchat200.001