Port 7551ControlONE Console Signaling

TCP/7551 is assigned to console signaling for BYNE's ControlONE service.

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

Technical Details

what runs on :7551

ControlONE Console Signaling is registered on port :7551 over tcp to BYNE, assigned November 2014. 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 :7551

this machine

# linux
sudo ss -tlpn 'sport = :7551'

# macos / bsd
sudo lsof -nP -i :7551

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :7551

another host

nmap -sV -p T:7551 <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 :7551

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 :7551 yet

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

Record

iana registry entry

port: :7551
service: ControlONE Console Signaling
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA assignment identifies TCP/7551 as ControlONE Console signaling and lists BYNE as the registrant. No established broader use or observed open instances are known from the provided scan data.
lookups: 0rank 993
added: 2026-10-12
updated: 2026-10-12
references: IANA service name registry — port 7551

Something wrong?

This record is maintained by the engineers who use port 7551. 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 2026-10-12.

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 :7551, by lookups.

port	service	proto	category	risk	views
:7547	TR-069 CPE WAN Management	TCPUDP	Remote Access	caution	8.3k
:7501	HP OpenView Bus Daemon	TCPUDP	Network Services	safe	0
:7510	HP OpenView Application Server	TCPUDP	—	safe	0
:7491	telops-lmd	TCPUDP	—	safe	0
:7508	Automation Device Configuration Protocol	TCP	Network Services	safe	0
:7509	ACPLT process automation service	TCP	Network Services	safe	0
:7549	Network Layer Signaling Transport Layer	TCPUDP	Network Services	safe	0
:7500	Silhouette User	TCPUDP	—	safe	0

risk mix of the 8 listed

safe88%
caution13%

0 of 8 encrypted

Port :7551ControlONE Console Signaling

Technical Details

Security Information

Related Ports

Port 7551ControlONE Console Signaling