Port 9992Palace-1

TCP/UDP 9992 is the obscure Palace-1 (OnLive-1) service assignment, with no common contemporary deployment known.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

also known as OnLive-1

Technical Details

what runs on :9992

Palace-1 is registered on port :9992 over tcp and udp to Douglas Crockford. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.

find what's listening on :9992

this machine

# linux
sudo ss -tulpn 'sport = :9992'

# macos / bsd
sudo lsof -nP -i :9992

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :9992

another host

nmap -sV -p T:9992 <host>
sudo nmap -sU -sV -p U:9992 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

add technical details

Security Information

exposure of :9992

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

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

no security notes recorded for :9992 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :9992
service: Palace-1
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA names this service palace-1, describes it as OnLive-1, and lists Douglas Crockford as the registrant. No widely used current listener or independently documented behavior is known.
lookups: 0rank 993
added: 2026-10-16
updated: 2026-10-16
references: IANA service name registry — port 9992

Something wrong?

This record is maintained by the engineers who use port 9992. 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 2026-10-16.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :9992, by lookups.

port	service	proto	category	risk	views
:10000	Webmin		Web Services	caution	23.3k
:10000	Ericsson Account Manager		Network Services	caution	15.9k
:9999	Lantronix RS-485 Telnet Control	TCP	Network Services	caution	15.8k
:9999	Hydranode TELNET Control		File Transfer	caution	15.6k
:10000	BackupExec		File Transfer	caution	15.3k
:9999	Urchin Analytics		Web Services	caution	13.8k
:9987	TeamSpeak 3 Voice	UDP	Gaming	caution	11.9k
:10051	Zabbix Trapper	TCPUDP	Network Services	caution	9.6k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :9992Palace-1

Technical Details

Security Information

Related Ports

Port 9992Palace-1