Port 5780Visual Tag System RPC

TCP port 5780 is assigned to Visual Tag System RPC, a little-documented service registered to Graham Bloice.

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

also known as vts-rpc

Technical Details

what runs on :5780

Visual Tag System RPC is registered on port :5780 over tcp to Graham Bloice, assigned September 2009. 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 :5780

this machine

# linux
sudo ss -tlpn 'sport = :5780'

# macos / bsd
sudo lsof -nP -i :5780

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :5780

another host

nmap -sV -p T:5780 <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 :5780

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 :5780 yet

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

Record

iana registry entry

port: :5780
service: Visual Tag System RPC
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns TCP port 5780 to Visual Tag System RPC and lists Graham Bloice as the registrant. There is no well-established public deployment or usage pattern to identify beyond that assignment.
lookups: 0rank 993
added: 2026-10-09
updated: 2026-10-09
references: IANA service name registry — port 5780

Something wrong?

This record is maintained by the engineers who use port 5780. 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 2026-10-09.

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 :5780, by lookups.

port	service	proto	category	risk	views
:5800	VNC over HTTP	TCP	Web Services	caution	30.3k
:5814	HP Support Automation	TCPUDP	Remote Access	caution	14.8k
:5723	Operations Manager	TCP	Network Services	caution	8.4k
:5721	Kaseya	TCPUDP	Security	caution	7.2k
:5716	ProShare Configuration Request	TCPUDP	—	safe	0
:5770	x509solutions Secure Data	TCPUDPtls	Security	safe	0
:5717	ProShare Conference Notification	TCPUDP	—	safe	0
:5718	DPM Communication Server	TCPUDP	Network Services	safe	0

risk mix of the 8 listed

safe50%
caution50%

1 of 8 encrypted

Port :5780Visual Tag System RPC

Technical Details

Security Information

Related Ports

Port 5780Visual Tag System RPC