Port 1099 (Java RMI registry) – TCP/UDP

TCP Yes

UDP Assigned

SCTP —

DCCP —

What it is

Java RMI registry.

Java remote objects. Deserialization RCE risk — never internet-exposed.

Transport	Status	Meaning
TCP	Yes	Assigned by IANA and standardized, specified, or widely used on this port.
UDP	Assigned	Assigned by IANA, but not standardized, specified, or widely used on this port.
SCTP	—	Not applicable for this transport.
DCCP	—	Not applicable for this transport.

« 1080 SOCKS proxy 1167 Cisco IP SLA »

Registered (1024–49151). Assigned by IANA on request; usable without elevated privileges on most systems.

Browse all ports →