Port 11164Sun Cacao Command-Streaming Access Point

TCP and UDP port 11164 is assigned to Sun Cacao's command-streaming access point.

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

also known as suncacao-csa

Technical Details

what runs on :11164

Sun Cacao Command-Streaming Access Point is registered on port :11164 over tcp and udp to Nick Stephen, assigned August 2005. 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 :11164

this machine

# linux
sudo ss -tulpn 'sport = :11164'

# macos / bsd
sudo lsof -nP -i :11164

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :11164

another host

nmap -sV -p T:11164 <host>
sudo nmap -sU -sV -p U:11164 <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 :11164

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 :11164 yet

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

Record

iana registry entry

port: :11164
service: Sun Cacao Command-Streaming Access Point
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns this port to the Sun Cacao command-streaming access point. The assignment is registered to Nick Stephen; I have no reliable evidence of a commonly deployed listener on it.
lookups: 0rank 993
added: 2026-10-16
updated: 2026-10-16
references: IANA service name registry — port 11164

Something wrong?

This record is maintained by the engineers who use port 11164. 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 :11164, by lookups.

port	service	proto	category	risk	views
:11211	Memcached		Web Services	caution	7.2k
:11162	Sun Cacao JMXMP	TCPUDP	System	safe	0
:11106	SGI LK Licensing	TCPUDP	Network Services	safe	0
:11103	OrigoDB Server Sync Interface	TCP	Databases	safe	0
:11104	NetApp Intercluster Management	TCP	File Transfer	caution	0
:11105	NetApp Intercluster Data	TCPtls	File Transfer	caution	0
:11111	Viral Computing Environment	TCPUDP	—	safe	0
:11110	SGI DMF SOAP	TCP	Web Services	safe	0

risk mix of the 8 listed

safe63%
caution38%

1 of 8 encrypted

Port :11164Sun Cacao Command-Streaming Access Point

Technical Details

Security Information

Related Ports

Port 11164Sun Cacao Command-Streaming Access Point