3100 TCP SMAUSA OpCon Scheduler as the default listen port[citation needed] Official
3101 TCP BlackBerry Enterprise Server communication to cloud Unofficial
3119 TCP D2000 Entis/Actis Application server Official
3128 TCP Web caches and the default for the Squid (software) Unofficial
3128 TCP Tatsoft default client connection[citation needed] Unofficial
3141 TCP devpi Python package server[64] Unofficial
3162 TCP UDP Standard Floating License Manager (SFLM) Official
3180 TCP UDP Human Inference Suite6 HTML Unofficial
3181 TCP UDP Human Inference Suite6 HTTPS Unofficial
3182 TCP UDP Human Inference Suite6 AJP Unofficial
3225 TCP UDP Fiber Channel over Internet Protocol (FCIP) Official
3233 TCP UDP WhiskerControl research control protocol Official
3235 TCP UDP Galaxy Network Service (Gateway Ticketing Systems) Official
3260 TCP iSCSI target Official
3268 TCP UDP msft-gc, Microsoft Global Catalog (LDAP service which contains data from Active Directory forests) Official
3269 TCP UDP msft-gc-ssl, Microsoft Global Catalog over SSL (similar to port 3268, LDAP over SSL) Official
3283 TCP Apple Remote Desktop reporting (officially Net Assistant, referring to an earlier product) Official
3290 UDP Virtual Air Traffic Simulation network voice communication. Unofficial
3299 TCP SAP-Router (routing application proxy for SAP R/3) Unofficial
3300 TCP UDP Debate Gopher backend database system[citation needed] Unofficial
3305 TCP UDP odette-ftp, Odette File Transfer Protocol (OFTP) Official
3306 TCP UDP MySQL database system Official
3313 TCP Verisys file integrity monitoring software Unofficial
3316 TCP AzimuthVMS database port for the CCTV recording software AzimuthVMS Unofficial
3323 TCP UDP DECE GEODI Server Unofficial
3332 UDP Thundercloud DataPath Overlay Control Unofficial
3333 TCP Eggdrop, an IRC bot default port[65] Unofficial
3333 TCP Network Caller ID server Unofficial
3333 TCP CruiseControl.rb[66] Unofficial
3386 TCP UDP GTP' 3GPP GSM/UMTS CDR logging protocol Official
3389 TCP UDP Microsoft Terminal Server (RDP) officially registered as Windows Based Terminal (WBT)[67] Official
3396 TCP UDP Novell NDPS Printer Agent Official
3412 TCP UDP xmlBlaster Official
3455 TCP UDP Resource Reservation Protocol (RSVP) Official
3423 TCP Xware xTrm Communication Protocol Official
3424 TCP Xware xTrm Communication Protocol over SSL Official
3478 TCP UDP STUN, a protocol for NAT traversal[68] Official
3478 TCP UDP TURN, a protocol for NAT traversal[69] (extension to STUN) Official
3483 UDP Slim Devices discovery protocol Official
3483 TCP Slim Devices SlimProto protocol Official
3493 TCP UDP Network UPS Tools (NUT) Official
3516 TCP UDP Smartcard Port Official
3527 UDP Microsoft Message Queuing Official
3535 TCP SMTP alternate[70] Unofficial
3544 UDP Teredo tunneling Official
3562 TCP UDP SDBProxy Simple DataBase middle-ware and proxy Official
3605 UDP ComCam IO Port Official
3606 TCP UDP Splitlock Server Official
3632 TCP Distcc, distributed compiler Official
3644 TCP Evidian, ssowatch Official
3645 TCP UDP Cyc Official
3659 UDP Battlefield 4