Port 15999ProGrammar Enterprise

TCP port 15999 is assigned to ProGrammar Enterprise, but no widely documented deployment is known.

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

Technical Details

what runs on :15999

ProGrammar Enterprise is registered on port :15999 over tcp to Norman Wilson, assigned October 2010. 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 :15999

this machine

# linux
sudo ss -tlpn 'sport = :15999'

# macos / bsd
sudo lsof -nP -i :15999

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :15999

another host

nmap -sV -p T:15999 <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 :15999

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

every listening transport is another surface to filter at the edge

security overview

no security notes recorded for :15999 yet

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

Record

iana registry entry

port: :15999
service: ProGrammar Enterprise
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA entry identifies this service as ProGrammar Enterprise and lists Norman Wilson as the registrant. No commonly deployed listener or documented protocol behavior is established.
lookups: 0rank 993
added: 2026-10-17
updated: 2026-10-17
references: IANA service name registry — port 15999

Something wrong?

This record is maintained by the engineers who use port 15999. 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 2026-10-17.

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 :15999, by lookups.

port	service	proto	category	risk	views
:16000	shroudBNC	TCP	Network Services	caution	4.0k
:16001	Administration Server Connector	TCP	—	safe	0
:16000	Administration Server Access	TCP	Remote Access	safe	0
:15998	2ping	UDP	Network Services	safe	0
:16002	GoodSync Mediation Service	TCP	Network Services	safe	0
:16003	ALFIN	UDP	—	safe	0
:16020	FileMaker Java Web Publishing Engine	TCP	Web Services	safe	0
:16021	FileMaker Java Web Publishing Core Binary	TCP	Web Services	safe	0

risk mix of the 8 listed

safe88%
caution13%

0 of 8 encrypted

Port :15999ProGrammar Enterprise

Technical Details

Security Information

Related Ports

Port 15999ProGrammar Enterprise