18506 | TCP | UDP | Audition Online Dance Battle, Nexon Server | Unofficial |
18605 | TCP | UDP | X-BEAT—Status/Version Check | Unofficial |
18606 | TCP | UDP | X-BEAT | Unofficial |
19000 | TCP | UDP | Audition Online Dance Battle, G10/alaplaya Server—Status/Version Check | Unofficial |
19000 | | UDP | JACK sound server | Unofficial |
19001 | TCP | UDP | Audition Online Dance Battle, G10/alaplaya Server | Unofficial |
19226 | TCP | | Panda Software AdminSecure Communication Agent | Unofficial |
19283 | TCP | UDP | K2 - KeyAuditor & KeyServer, Sassafras Software Inc. Software Asset Management tools | Official |
19294 | TCP | | Google Talk Voice and Video connections [109] | Unofficial |
19295 | | UDP | Google Talk Voice and Video connections [109] | Unofficial |
19302 | | UDP | Google Talk Voice and Video connections [109] | Unofficial |
19315 | TCP | UDP | KeyShadow for K2 - KeyAuditor & KeyServer, Sassafras Software Inc. Software Asset Management tools | Official |
19540 | TCP | UDP | Belkin Network USB Hub[citation needed] | Unofficial |
19638 | TCP | | Ensim Control Panel[citation needed] | Unofficial |
19812 | TCP | | 4D database SQL Communication[citation needed] | Unofficial |
19813 | TCP | | 4D database Client Server Communication[citation needed] | Unofficial |
19814 | TCP | | 4D database DB4D Communication[citation needed] | Unofficial |
19999 | | | DNP - Secure (Distributed Network Protocol - Secure), a secure version of the protocol used in SCADA systems between communicating RTU's and IED's | Official |
20000 | | | DNP (Distributed Network Protocol), a protocol used in SCADA systems between communicating RTU's and IED's | Official |
20000 | | | Usermin, Web-based user tool | Unofficial |
20014 | TCP | | DART Reporting server[citation needed] | Unofficial |
20560 | TCP | UDP | Killing Floor | Unofficial |
20702 | TCP | | Precise TPM Listener Agent | Unofficial |
20720 | TCP | | Symantec i3 Web GUI server | Unofficial |
20790 | TCP | | Precise TPM Web GUI server | Unofficial |
21001 | TCP | | AMLFilter, AMLFilter Inc. amlf-admin default port | Unofficial |
21011 | TCP | | AMLFilter, AMLFilter Inc. amlf-engine-01 default http port | Unofficial |
21012 | TCP | | AMLFilter, AMLFilter Inc. amlf-engine-01 default https port | Unofficial |
21021 | TCP | | AMLFilter, AMLFilter Inc. amlf-engine-02 default http port | Unofficial |
21022 | TCP | | AMLFilter, AMLFilter Inc. amlf-engine-02 default https port | Unofficial |
22136 | TCP | | FLIR Systems Camera Resource Protocol | Unofficial |
22222 | TCP | | Davis Instruments, WeatherLink IP | Unofficial |
22347 | TCP | UDP | WibuKey, WIBU-SYSTEMS AG Software protection system | Official |
22349 | TCP | | Wolfson Microelectronics WISCEBridge Debug Protocol[110] | Unofficial |
22350 | TCP | UDP | CodeMeter, WIBU-SYSTEMS AG Software protection system | Official |
23073 | | | Soldat Dedicated Server | Unofficial |
23399 | | | Skype Default Protocol | Unofficial |
23513 | | | Duke Nukem 3D#Source code Duke Nukem Ports | Unofficial |
24444 | | | NetBeans integrated development environment | Unofficial |
24465 | TCP | UDP | Tonido Directory Server for Tonido which is a Personal Web App and P2P platform | Official |
24554 | TCP | UDP | BINKP, Fidonet mail transfers over TCP/IP | Official |
24800 | | | Synergy: keyboard/mouse sharing software | Unofficial |
24842 | | | StepMania: Online: Dance Dance Revolution Simulator | Unofficial |
25000 | TCP | | Teamware Office standard client connection | Official |
25003 | TCP | | Teamware Office client notifier | Official |
25005 | TCP | | Teamware Office message transfer | Official |
25007 | TCP | | Teamware Office MIME Connector | Official |
25010 | TCP | | Teamware Office Agent server | Official |
25560 | TCP | | codeheart.js Relay Server | Unofficial |
25565 | TCP | | Standard Minecraft (Dedicated) Server | Unofficial |
25565 | | | MySQL Standard MySQL port | Unofficial |
25570 | | | Manic Digger default single player port | Unofficial |
25826 | | UDP | collectd default port[111] | Unofficial |
25888 | | UDP | Xfire (Firewall Report, UDP_IN) IP Address (206.220.40.146) resolves to gameservertracking.xfire.com. Use unknown. | Unofficial |
25999 | TCP | | Xfire | Unofficial |
26000 | | UDP | id Software's Quake server | Official |
26000 | TCP | | id Software's Quake server | Official |
26000 | TCP | | CCP's EVE Online Online gaming MMORPG | Unofficial |
26850 | TCP | | War of No Return Server Port[citation needed] | Unofficial |
26900 | TCP | | CCP's EVE Online Online gaming MMORPG | Unofficial |
26901 | TCP | | CCP's EVE Online Online gaming MMORPG | Unofficial |
27000-27030 | | UDP | Steam Client | Unofficial |
27000 | | UDP | (through 27006) id Software's QuakeWorld master server | Unofficial |
27000-27009 | TCP | | FlexNet Publisher's License server (from the range of default ports) | Unofficial |
27010 | | | Source engine dedicated server port | Unofficial |
27014-27050 | TCP | | Steam Downloads | Unofficial |
27014 | | | Source engine dedicated server port (rare) | Unofficial |
27015 | | | GoldSrc and Source engine dedicated server port | Unofficial |
27016 | | | Magicka server port | Unofficial |
27017 | | | mongoDB server port | Unofficial |
27374 | | | Sub7 default. | Unofficial |
27500-27900 | | UDP | id Software's QuakeWorld | Unofficial |
27888 | | UDP | Kaillera server | Unofficial |
27900-27901 | | | Nintendo Wi-Fi Connection | Unofficial |
27901-27910 | | UDP | id Software's Quake II master server | Unofficial |
27950 | | UDP | OpenArena outgoing | Unofficial |
27960-27969 | | UDP | Activision's Enemy Territory and id Software's Quake III Arena, Quake III and Quake Live and some ioquake3 derived games (OpenArena incoming) | Unofficial |
28000 | | | Bitfighter Common/default Bitfighter Server | Unofficial |
28001 | | | Starsiege: Tribes Common/default Tribes v.1 Server | Unofficial |
28395 | TCP | | www.SmartSystemsLLC.com Used by Smart Sale 5.0[citation needed] | Unofficial |
28785 | | UDP | Cube 2 Sauerbraten[112] | Unofficial |
28786 | | UDP | Cube 2 Sauerbraten Port 2[112] | Unofficial |
28852 | TCP | UDP | Killing Floor | Unofficial |
28910 | | | Nintendo Wi-Fi Connection[113] | Unofficial |
28960 | | UDP | Call of Duty; Call of Duty: United Offensive; Call of Duty 2; Call of Duty 4: Modern Warfare; Call of Duty: World at War (PC Version) | Unofficial |
29000 | | | Perfect World International Used by the Perfect World International Client | Unofficial |
29070 | TCP | UDP | Game titled "Jedi Knight: Jedi Academy" by Ravensoft | Unofficial |
29292 | TCP | | TMO Integration Service Communications Port, Used by Transaction Manager SaaS (HighJump Software)[citation needed] | Unofficial |
29900-29901 | | | Nintendo Wi-Fi Connection[113] | Unofficial |
29920 | | | Nintendo Wi-Fi Connection[113] | Unofficial |
30000 | | | Pokémon Netbattle | Unofficial |
30301 | | | BitTorrent | Unofficial |
30564 | TCP | | Multiplicity: keyboard/mouse/clipboard sharing software | Unofficial |
30718 | | UDP | Lantronix Discovery for Lantronix serial-to-ethernet devices | Unofficial |
30777 | TCP | | ZangZing agent | Unofficial |
31337 | TCP | | Back Orifice—remote administration tool (often Trojan horse) | Unofficial |
31415 | | | ThoughtSignal—Server Communication Service (often Informational) | Unofficial |
31456 | TCP | | TetriNET IRC gateway on some servers | Unofficial |
31457 | TCP | | TetriNET | Official |
31458 | TCP | | TetriNET Used for game spectators | Unofficial |
31620 | TCP | UDP | LM-MON (Standard Floating License Manager LM-MON) | Official |
32123 | TCP | | x3Lobby Used by x3Lobby, an internet application. | Unofficial |
32137 | TCP | | Immunet Protect[114] | Unofficial |
32245 | TCP | | MMTSG-mutualed over MMT (encrypted transmission) | Unofficial |
32769 | TCP | | FileNet RPC | Unofficial |
32887 | TCP | | Used by "Ace of Spades" game | Unofficial |
32976 | TCP | | LogMeIn Hamachi (VPN tunnel software; also port 12975)—used to connect to Mediation Server (bibi.hamachi.cc); will attempt to use SSL (TCP port 443) if both 12975 & 32976 fail to connect | Unofficial |
33434 | TCP | UDP | traceroute | Official |
33982 | TCP | UDP | Dezta software | Unofficial |
34443 | | | Linksys PSUS4 print server[citation needed] | Unofficial |
34567 | TCP | | EDI service[115] | Official |
36330 | TCP | | Folding@home v7 default for client control interface | Unofficial |
36963 | | UDP | Any of the USGN online games, most notably Counter Strike 2D multiplayer (2D clone of popular CounterStrike computer game) | Unofficial |
37659 | TCP | | Axence nVision[citation needed] | Unofficial |
37777 | TCP | | Digital Video Recorder hardware[citation needed] | Unofficial |
40000 | TCP | UDP | SafetyNET p Real-time Industrial Ethernet protocol | Official |
40123 | | UDP | Flatcast[116] | Unofficial |
41823 | TCP | UDP | Murealm Client[citation needed] | Unofficial |
43047 | TCP | | TheòsMessenger second port for service TheòsMessenger[citation needed] | Official |
43034 | TCP | UDP | LarmX.com™ database update mtr port[citation needed] | Unofficial |
43048 | TCP | | TheòsMessenger third port for service TheòsMessenger[citation needed] | Official |
43594 | TCP | | RuneScape, FunOrb, Runescape Private Servers game servers | Unofficial |
43595 | TCP | | RuneScape JAGGRAB servers | Unofficial |
45824 | TCP | | Server for the DAI family of client-server products[citation needed] | Official |
47001 | TCP | | WinRM - Windows Remote Management Service [117] | Official |
47808 | TCP | UDP | BACnet Building Automation and Control Networks (4780810 = BAC016) | Official |
49151 | TCP | UDP | Reserved[1] | Official |
44405 | TCP | | Mu Online Connect Server | Unofficial |
55901 | TCP | | Mu Online Game Server | Unofficial |