| :6543 | Jetnet | UDP | Network Services | caution | 65.3k |
| :3233 | WhiskerControl Protocol | TCPUDP | Network Services | caution | 61.9k |
| :9600 | Omron FINS Communication | UDP | Network Services | caution | 33.2k |
| :4840 | OPC UA TCP | TCPUDP | Network Services | caution | 26.6k |
| :5678 | Mikrotik MNDP | UDP | Network Services | caution | 24.7k |
| :4843 | OPC UA over TLS/SSL | TCPUDPtls | Security | caution | 24.6k |
| :5001 | Slingbox | TCP | Streaming | caution | 22.4k |
| :15000 | Hypack Data Acquisition | TCP | Network Services | caution | 21.4k |
| :3100 | Tatsoft HTTP Port | TCP | Web Services | caution | 19.4k |
| :502 | Modbus Protocol | TCPUDP | Network Services | caution | 19.2k |
| :5357 | WSDAPI | TCPUDP | Web Services | caution | 19.2k |
| :5247 | CAPWAP Data | UDP | Network Services | caution | 17.9k |
| :546 | DHCPv6 Client | TCPUDP | Network Services | caution | 16.6k |
| :3702 | WS-Discovery | TCPUDP | Network Services | caution | 16.5k |
| :9999 | Lantronix RS-485 Telnet Control | TCP | Network Services | caution | 15.8k |
| :14439 | APRS UI-WebServer | TCP | Web Services | caution | 15.4k |
| :712 | TBRPF Protocol | TCP | Network Services | caution | 15.0k |
| :7400 | RTPS DDS Discovery | TCPUDP | Network Services | safe | 14.8k |
| :7401 | RTPS DDS Traffic | TCPUDP | Network Services | safe | 14.7k |
| :427 | Service Location Protocol | TCPUDP | Network Services | caution | 14.6k |
| :1900 | SSDP / UPnP Discovery | UDP | Network Services | caution | 14.6k |
| :5450 | OSIsoft PI System Client | TCP | Databases | caution | 14.3k |
| :1883 | MQTT Broker | TCP | Network Services | caution | 14.2k |
| :502 | Modbus | TCPUDP | Network Services | caution | 13.7k |
| :9898 | MonkeyCom | TCPUDP | Network Services | caution | 13.6k |
| :20000 | DNP3 | | Network Services | caution | 13.6k |
| :5353 | Multicast DNS | UDP | Network Services | safe | 13.4k |
| :6771 | Polycom Broadcast | UDP | Network Services | caution | 13.2k |
| :5246 | CAPWAP Control | UDP | Network Services | caution | 13.2k |
| :7402 | RTPS DDS Meta-Traffic | TCPUDP | Network Services | safe | 12.9k |
| :5000 | UPnP Device Interop | TCP | Network Services | caution | 12.7k |
| :35 | Private Printer Server | TCPUDP | Network Services | caution | 12.5k |
| :554 | RTSP | TCPUDP | Streaming | safe | 12.4k |
| :1319 | AMX ICSP | TCP | Network Services | caution | 12.4k |
| :19999 | DNP3 Secure | | Security | caution | 12.0k |
| :5031 | AVM CAPI-over-TCP | TCPUDP | Network Services | caution | 12.0k |
| :9000 | Buffalo NAS Web Access | TCP | Web Services | caution | 11.8k |
| :2001 | CAPTAN Test Stand | UDP | System | caution | 11.8k |
| :8442 | CyBro A-bus | TCPUDP | Network Services | caution | 11.6k |
| :30718 | Lantronix Discovery | UDP | Network Services | caution | 11.5k |
| :1110 | EasyBits School Discovery | UDP | Network Services | caution | 11.1k |
| :1001 | JtoMB Protocol | TCP | Network Services | caution | 11.0k |
| :2404 | IEC 60870-5-104 | TCP | Network Services | caution | 10.5k |
| :3333 | Network Caller ID | TCP | Network Services | caution | 10.1k |
| :2161 | APC Agent | TCP | Network Services | caution | 10.0k |
| :3483 | Slim Devices Discovery | UDP | Streaming | caution | 9.7k |
| :5298 | XMPP Link-Local / Serverless Messaging | TCPUDP | Network Services | caution | 9.5k |
| :9100 | PDL Data Stream | TCP | Network Services | caution | 9.4k |
| :5085 | LLRP over TLS | TCPUDP | Network Services | caution | 9.2k |
| :6789 | LoggerNet Datalogger | TCP | Network Services | caution | 9.2k |
| :69 | Trivial File Transfer Protocol (TFTP) | UDP | File Transfer | caution | 9.1k |
| :22136 | FLIR Camera Protocol | TCP | Security | caution | 9.1k |
| :5358 | WSDAPI Secure Channel | TCPUDP | Network Services | caution | 9.1k |
| :3483 | SlimProto | TCP | Streaming | caution | 9.0k |
| :501 | STMF (NTCIP 1101) | TCP | Network Services | caution | 8.8k |
| :4323 | ArcLink/XT | UDP | Network Services | caution | 8.8k |
| :3423 | Xware xTrm Protocol | TCP | Network Services | caution | 8.7k |
| :7547 | TR-069 CPE WAN Management | TCPUDP | Remote Access | caution | 8.3k |
| :4007 | PrintBuzzer Socket Server | TCP | Network Services | caution | 8.2k |
| :1309 | Quartus jtagd | TCP | System | caution | 8.1k |
| :9303 | D-Link SharePort | UDP | File Transfer | caution | 8.0k |
| :3605 | ComCam IO | UDP | Security | caution | 7.8k |
| :2947 | GPSD Daemon | TCP | Network Services | caution | 7.4k |
| :6566 | SANE Scanner Daemon | TCP | Network Services | caution | 7.3k |
| :545 | OSIsoft PI Server Client Access | TCP | Network Services | caution | 7.0k |
| :2190 | TiVoConnect Beacon | UDP | Network Services | caution | 6.9k |
| :4018 | Protocol Info & Warnings | TCPUDP | Network Services | caution | 6.7k |
| :12222 | LWAPP Data | UDP | Security | caution | 6.7k |
| :4224 | Cisco Audio Tunneling | TCP | Network Services | caution | 6.6k |
| :9110 | SSMP | UDP | Network Services | caution | 6.6k |
| :10001 | Lantronix RS-485 Converter | TCP | Network Services | caution | 6.4k |
| :2212 | Remote WinBatch Control | TCP | Network Services | caution | 6.3k |
| :47 | NI FTP | TCPUDP | File Transfer | caution | 6.3k |
| :698 | OLSR | UDP | Network Services | caution | 6.1k |
| :1176 | Indigo Home Automation | TCP | IoT | caution | 6.0k |
| :3532 | Raven RMC | TCPUDP | Remote Access | caution | 5.9k |
| :259 | Efficient Short Remote Operations (ESRO) | TCPUDP | Network Services | caution | 5.8k |
| :4950 | Cylon UC32 Control | TCPUDP | Network Services | caution | 5.8k |
| :401 | UPS Services | TCPUDP | Network Services | caution | 5.7k |
| :3533 | Raven Remote Management | TCPUDP | Remote Access | caution | 5.7k |
| :5084 | LLRP | TCPUDP | Network Services | caution | 5.6k |
| :319 | PTP Event Messages | UDP | Network Services | safe | 5.4k |
| :12223 | LWAPP Control | UDP | Security | caution | 5.4k |
| :3880 | IGRS | TCPUDP | Network Services | caution | 5.2k |
| :3537 | NI-VISA Remote | TCPUDP | Network Services | caution | 4.9k |
| :320 | PTP General Messages | UDP | Network Services | safe | 4.9k |
| :651 | IEEE MMS | TCPUDP | Network Services | caution | 4.8k |
| :4982 | Solar Data Log | TCPUDP | Network Services | caution | 4.8k |
| :1301 | Palmer Performance OBDNet | TCP | Network Services | caution | 4.4k |
| :3614 | Satchwell Sigma | TCPUDP | IoT | safe | 0 |
| :3620 | Epson Projector Control | TCPUDP | IoT | risk | 0 |
| :3671 | KNXnet/IP (EIBnet/IP) | TCPUDP | Network Services | risk | 0 |
| :3848 | IT Environmental Monitor | TCPUDP | IoT | safe | 0 |
| :5025 | SCPI (Standard Commands for Programmable Instruments) | TCPUDP | System | caution | 0 |
| :5094 | HART-IP | TCPUDP | Network Services | risk | 0 |
| :5683 | Constrained Application Protocol (CoAP) | TCPUDP | Web Services | risk | 0 |
| :5684 | Secure CoAP | TCPUDPtls | Network Services | caution | 0 |
| :8612 | Canon BJNP | TCPUDP | Network Services | caution | 0 |
| :8613 | Canon BJNP | TCPUDP | Network Services | safe | 0 |
| :8614 | Canon BJNP | TCPUDP | IoT | safe | 0 |
| :9598 | Very Simple Control Protocol | TCPUDP | Network Services | risk | 0 |
| :10110 | NMEA 0183 | TCPUDP | Network Services | caution | 0 |
| :8090 | Vehicle-to-Station Messaging | TCP | IoT | safe | 0 |
| :1091 | FF System Management | TCPUDP | System | safe | 0 |
| :5087 | BIOTIC | TCP | IoT | safe | 0 |
| :5906 | RPAS Command and Control | TCPUDPSCTP | Network Services | safe | 0 |
| :1594 | SixTRAK | TCPUDP | IoT | safe | 0 |
| :1658 | Sixnet UDR | TCPUDP | IoT | safe | 0 |
| :8016 | Beckhoff Automation Device Specification | TCP | IoT | safe | 0 |
| :802 | Modbus Application Protocol Secure | TCPUDPtls | Security | risk | 0 |
| :1153 | ANSI C12.22 | TCPUDP | Network Services | caution | 0 |
| :1190 | CommLinx GPS/AVL System | TCPUDP | Mobile | safe | 0 |
| :2291 | EPSON Advanced Printer Share Protocol | TCPUDP | Network Services | safe | 0 |
| :3240 | Trio Motion Control | TCPUDP | System | safe | 0 |
| :3530 | Grid Friendly | TCPUDP | IoT | safe | 0 |
| :3622 | FF LAN Redundancy Port | TCPUDP | IoT | safe | 0 |
| :3956 | GigE Vision Control Protocol | TCPUDP | Network Services | risk | 0 |
| :4120 | MiniRem Remote Telemetry and Control | TCP | Remote Access | safe | 0 |
| :4876 | Tritium CAN Bus Bridge Service | TCPUDP | IoT | safe | 0 |
| :4877 | Lighting Management Control System | TCPUDP | IoT | safe | 0 |
| :7072 | IBA Device Configuration Protocol | TCP | IoT | safe | 0 |
| :7101 | Embedded Light Control Network | TCPUDP | IoT | safe | 0 |
| :8883 | Secure MQTT | TCPUDPtls | Network Services | caution | 0 |
| :9979 | Valley Information Systems Weather Station Data | TCP | IoT | safe | 0 |
| :41794 | Crestron CIP | TCPUDP | Remote Access | risk | 0 |
| :41795 | Crestron Terminal Port | TCPUDP | IoT | safe | 0 |
| :2221 | EtherNet/IP over TLS | TCPUDPtls | Network Services | safe | 0 |
| :2222 | EtherNet/IP | TCPUDP | System | critical | 0 |
| :2277 | Bluetooth Device Control Proxy | TCPUDP | IoT | safe | 0 |
| :2378 | DALI lighting control | UDP | IoT | safe | 0 |
| :2540 | LonWorks (LonTalk) | TCPUDP | Network Services | safe | 0 |
| :2873 | PubSub Realtime Telemetry Protocol | TCPUDP | IoT | safe | 0 |
| :3610 | ECHONET (ECHONET Lite) | TCPUDP | IoT | risk | 0 |
| :3639 | xAP Home Automation Protocol | TCPUDP | Network Services | safe | 0 |
| :3794 | JAUS (Joint Architecture for Unmanned Systems) | TCPUDP | IoT | risk | 0 |
| :3865 | xPL Home Automation Protocol | TCPUDP | Network Services | risk | 0 |
| :4059 | DLMS/COSEM | TCPUDP | Network Services | risk | 0 |
| :4110 | G2 RFID Tag Telemetry Data | TCPUDP | IoT | safe | 0 |
| :4123 | Z-Wave Protocol | TCPUDP | Network Services | safe | 0 |
| :4303 | Simple Railroad Command Protocol (SRCP) | TCPUDP | Network Services | caution | 0 |
| :4304 | One-Wire Filesystem Server | TCPUDP | Network Services | risk | 0 |
| :4352 | PJLink | TCPUDP | Network Services | risk | 0 |
| :4503 | Open Metering System (OMS) over UDP | UDP | Network Services | safe | 0 |
| :4684 | RFID Reader Protocol 1.0 | TCPUDP | Network Services | safe | 0 |
| :1090 | FF Fieldbus Message Specification | TCPUDP | IoT | safe | 0 |
| :1069 | Cognex In-Sight | TCPUDP | IoT | risk | 0 |
| :47808 | BACnet | TCPUDP | System | risk | 0 |
| :17754 | ZigBee Encapsulation Protocol | TCPUDP | Network Services | safe | 0 |
| :21000 | IRTrans Control | TCPUDP | IoT | risk | 0 |
| :2101 | RTCM SC-104 | TCPUDP | Network Services | caution | 0 |
| :747 | Fujitsu Device Control | TCPUDP | System | safe | 0 |
| :3947 | Connect and Control Protocol (CCP) | TCPUDP | IoT | safe | 0 |
| :17755 | ZigBee IP Transport Service | TCPUDP | Network Services | safe | 0 |
| :17756 | ZigBee IP Transport Secure Service | TCPUDPtls | Security | safe | 0 |
| :20005 | BTicino OpenWebNet | TCPUDP | IoT | risk | 0 |
| :8086 | Distributed SCADA Networking Rendezvous | TCPUDP | Network Services | safe | 0 |
| :1149 | BlueView Sonar Service | TCPUDP | IoT | safe | 0 |
| :1325 | Thermo Fisher Scientific Instrumentation (Dionex) | TCPUDP | IoT | safe | 0 |
| :1628 | LonTalk | TCPUDP | Network Services | safe | 0 |
| :1733 | SIIPAT Protocol for Alarm Transmission | TCPUDP | Security | safe | 0 |
| :1815 | Manufacturing Messaging Protocol | TCPUDP | IoT | safe | 0 |