61616 ActiveMQApache ActiveMQ OpenWire broker.
JMS message broker. CVE-prone — never internet-exposed.
| Transport | Status | Meaning |
|---|---|---|
| TCP | Unofficial | Not assigned by IANA, but standardized, specified, or widely used on this port. |
| UDP | — | Not applicable for this transport. |
| SCTP | — | Not applicable for this transport. |
| DCCP | — | Not applicable for this transport. |
Dynamic / private (49152–65535). Cannot be IANA-registered; used for ephemeral allocation and custom services.
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