Port 3519Netvion Messenger

TCP port assigned for the Netvion Messenger service.

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

also known as nvmsgd

1 other service is registered on port 3519. compare all 2 →

Technical Details

what runs on :3519

Netvion Messenger is registered on port :3519 over tcp. 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 found open rarely. What's listening is often not the registered service, so check before you assume.

find what's listening on :3519

this machine

# linux
sudo ss -tlpn 'sport = :3519'

# macos / bsd
sudo lsof -nP -i :3519

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :3519

another host

nmap -sV -p T:3519 <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 :3519

risk score

1/ 10safe

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

voice and chat averages 3.4 across 173 ports — this one sits 2.4 below.

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 :3519 yet

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

Record

iana registry entry

port: :3519
service: Netvion Messenger
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: Voice and Chat
usage: The IANA assignment identifies TCP/3519 as the Netvion Messenger Port. No registrant or implementation details are recorded, and the service is rarely observed in internet-wide scans.
lookups: 0rank 993
added: 2026-09-12
updated: 2026-09-12
references: IANA service name registry — port 3519

Something wrong?

This record is maintained by the engineers who use port 3519. 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 2026-09-12.

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

all 173 in voice and chat →

the 8 most looked-up other ports in voice and chat — 173 ports carry that label.

port	service	proto	category	risk	views
:9090	Openfire Admin Console	TCP	Web Services	caution	34.2k
:1513	Garena Gaming	TCPUDP	Gaming	caution	33.1k
:9091	Openfire Admin Console (SSL)	TCPtls	Web Services	caution	28.3k
:2031	Mobrien Chat	TCPUDP	Web Services	caution	27.7k
:1720	H.323 Signaling	TCP	Network Services	caution	26.5k
:6005	Camfrog Chat	TCP	Voice and Chat	caution	25.2k
:3001	Miralix Phone Monitor	TCP	Network Services	caution	21.7k
:9009	Pichat Server	TCPUDP	Network Services	caution	19.7k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :3519Netvion Messenger

Technical Details

Security Information

Related Ports

Port 3519Netvion Messenger