Message queues and streaming ports
Overview
Brokers carry application events and often have weak default credentials. Restrict producer and consumer access to application hosts and rotate default accounts.
Ports in this category17
Range coveredAll registry ranges
All Message queues and streaming port numbers
Every port below is assigned to this category in the registry or by a widely used convention. Open a port for its check and block commands, risk rating and troubleshooting notes.
| Port | Service | Transport | Risk | Description |
|---|---|---|---|---|
| 194 | IRC | TCP / UDP | Standard/Low | Internet Relay Chat Protocol |
| 529 | IRC-SERV | TCP / UDP | Standard/Low | IRC-SERV |
| 1883 | MQTT | TCP / UDP | High | Message Queuing Telemetry Transport Protocol |
| 5222 | XMPP-CLIENT | TCP | Standard/Low | XMPP Client Connection |
| 5269 | XMPP-SERVER | TCP | Standard/Low | XMPP Server Connection |
| 5280 | XMPP-BOSH | TCP | Standard/Low | Bidirectional-streams Over Synchronous HTTP (BOSH) |
| 5298 | PRESENCE | TCP / UDP | Standard/Low | XMPP Link-Local Messaging |
| 5670 | ZRE-DISC | TCP / UDP | Standard/Low | Local area discovery and messaging over ZeroMQ |
| 5671 | AMQPS | TCP / UDP | Standard/Low | amqp protocol over TLS/SSL |
| 5672 | AMQP | TCP / UDP / SCTP | Medium | AMQP |
| 6667 | IRC | TCP | Standard/Low | Classic IRC server port (community convention); modern IRC deployments usually prefer TLS on 6697 |
| 6697 | IRCS-U | TCP | Standard/Low | Internet Relay Chat via TLS/SSL |
| 7071 | IWG1 | TCP / UDP | Standard/Low | IWGADTS Aircraft Housekeeping Message |
| 8883 | SECURE-MQTT | TCP / UDP | Medium | Secure MQTT |
| 9092 | KAFKA | TCP / UDP | Medium | Xml-Ipc Server Reg |
| 10004 | EMCRMIRCCD | TCP | Standard/Low | EMC Replication Manager Client |
| 15672 | RABBITMQ-MANAGEMENT | TCP | Medium | RabbitMQ management web UI and HTTP API port |
Other categories
Authentication and access 19Caching and in-memory stores 10Containers and orchestration 10DNS and naming 10Databases 54Development servers 13Directory services 14Email 26File transfer and sharing 27Gaming 6Infrastructure and administration 30IoT and device telemetry 7Monitoring and metrics 29Networking and proxies 31Printing 19RPC and service APIs 14Remote access 29Time synchronization 10VPN and tunnelling 10Voice and real-time media 29Web and HTTP 62Windows networking 14
Primary data: IANA Service Name and Transport Protocol Port Number Registry, plus clearly marked community conventions.
Last reviewed 2026-10-30 · Methodology · About · Privacy