Port 1583simbaexpress

An IANA-registered TCP/UDP service assignment for simbaexpress, with no publicly documented protocol details.

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

Technical Details

what runs on :1583

simbaexpress is registered on port :1583 over tcp and udp to Betsy Alexander. 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 :1583

this machine

# linux
sudo ss -tulpn 'sport = :1583'

# macos / bsd
sudo lsof -nP -i :1583

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1583

another host

nmap -sV -p T:1583 <host>
sudo nmap -sU -sV -p U:1583 <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 :1583

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 :1583 yet

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

Record

iana registry entry

port: :1583
service: simbaexpress
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA registry assigns both TCP and UDP port 1583 to the service name simbaexpress. The assignment is registered to Betsy Alexander, but no product, protocol, or deployment context is recorded.
lookups: 0rank 993
added: 2026-09-09
updated: 2026-09-09
references: IANA service name registry — port 1583

Something wrong?

This record is maintained by the engineers who use port 1583. 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 2026-09-09.

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 :1583, by lookups.

port	service	proto	category	risk	views
:1521	Oracle TNS Listener	TCP	Security	caution	19.6k
:1521	Oracle DB Listener	TCP	Databases	caution	18.4k
:1645	RADIUS Authentication (Cisco/Juniper)	TCPUDP	Security	caution	15.1k
:1533	IBM Sametime & SQL Server	TCP	Network Services	safe	13.5k
:1646	RADIUS Accounting	TCPUDP	Security	caution	13.1k
:1526	Oracle Listener Alt Port	TCP	Databases	caution	13.0k
:1581	MIL-STD-2045-47001 VMF	UDP	Security	caution	10.6k
:1550	Gadu-Gadu C2C		Network Services	caution	7.7k

risk mix of the 8 listed

safe13%
caution88%

0 of 8 encrypted

Port :1583simbaexpress

Technical Details

Security Information

Related Ports

Port 1583simbaexpress