Port 1830Oracle Net8 CMan Admin

Port 1830 is assigned to Oracle Net8 CMan administrative traffic over TCP and UDP.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 5/10
lookups: 0

Technical Details

what runs on :1830

This endpoint is used by Oracle Connection Manager administration tools such as CMCTL to communicate with the CMAN administrative process. The IANA registration covers both TCP and UDP, although normal administration is generally encountered over TCP; it is separate from the CMAN data/listener port, commonly configured as 1630, and from the Oracle Database listener commonly using 1521. Exact authentication and protocol behavior depend on the Oracle Net/CMAN release and configuration.

Security Information

exposure of :1830

risk score

5/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

network services averages 2.6 across 1,653 ports — this one sits 2.4 above.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

The port exposes a management plane rather than an Oracle database listener and should normally be restricted to trusted administration hosts, preferably through network ACLs or a management network. Internet exposure can disclose CMAN configuration or permit administrative actions if authentication or version-specific controls are weak; it is not a port that should be reachable from the public Internet.

Record

iana registry entry

port: :1830
service: Oracle Net8 CMan Admin
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 5/10caution
category: Network Services
usage: Port 1830 is the administration endpoint associated with Oracle Connection Manager (CMAN), Oracle's Net8 proxy and routing component. Engineers typically encounter it on database middleware hosts alongside CMAN's client-facing listener, commonly port 1630.
lookups: 0rank 993
added: 2026-09-19
updated: 2026-09-22
references: IANA service name registry — port 1830

Something wrong?

This record is maintained by the engineers who use port 1830. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-09-22.

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edit this record →back to the registry

Related Ports

all 1,653 in network services →

the 8 most looked-up other ports in network services — 1,653 ports carry that label.

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:9080	Groove RPC	TCPUDP	Web Services	caution	70.8k
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:3268	Microsoft Global Catalog (GC)	TCPUDP	Security	caution	54.6k
:135	Microsoft EPMAP	TCPUDP	Security	caution	51.9k
:3128	Tatsoft Default HTTP Proxy	TCP	Web Services	caution	46.8k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :1830Oracle Net8 CMan Admin

Technical Details

Security Information

Related Ports

Port 1830Oracle Net8 CMan Admin