Port 1545Vistium Share

Vistium Share service assigned to TCP and UDP port 1545.

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

Technical Details

what runs on :1545

Vistium Share is registered on port :1545 over tcp and udp to Allison Carleton. 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 :1545

this machine

# linux
sudo ss -tulpn 'sport = :1545'

# macos / bsd
sudo lsof -nP -i :1545

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1545

another host

nmap -sV -p T:1545 <host>
sudo nmap -sU -sV -p U:1545 <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 :1545

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 :1545 yet

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

Record

iana registry entry

port: :1545
service: Vistium Share
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA registry identifies TCP/UDP port 1545 as the vistium-share service. The assignment is registered to Allison Carleton, with no further usage or product details recorded.
lookups: 0rank 993
added: 2026-08-27
updated: 2026-08-27
references: IANA service name registry — port 1545

Something wrong?

This record is maintained by the engineers who use port 1545. 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 2026-08-27.

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 :1545, by lookups.

port	service	proto	category	risk	views
:1513	Garena Gaming	TCPUDP	Gaming	caution	33.1k
:1521	Oracle TNS Listener	TCP	Security	caution	19.6k
:1521	Oracle DB Listener	TCP	Databases	caution	18.4k
:1533	IBM Sametime & SQL Server	TCP	Network Services	safe	13.5k
:1526	Oracle Listener Alt Port	TCP	Databases	caution	13.0k
:1500	NetGuard GuardianPro Remote Management	TCP	Security	caution	12.7k
:1503	Live Messenger Whiteboard Sharing	TCPUDP	Network Services	caution	12.4k
:1501	NetGuard GuardianPro Auth Client	UDP	Security	caution	12.0k

risk mix of the 8 listed

safe13%
caution88%

0 of 8 encrypted

Port :1545Vistium Share

Technical Details

Security Information

Related Ports

Port 1545Vistium Share