Port 9020TAMBORA

TAMBORA is assigned to TCP and UDP port 9020.

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

Technical Details

what runs on :9020

TAMBORA is registered on port :9020 over tcp and udp to Jason van Zyl, assigned March 2002. 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 sometimes. What's listening is often not the registered service, so check before you assume.

find what's listening on :9020

this machine

# linux
sudo ss -tulpn 'sport = :9020'

# macos / bsd
sudo lsof -nP -i :9020

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :9020

another host

nmap -sV -p T:9020 <host>
sudo nmap -sU -sV -p U:9020 <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 :9020

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 :9020 yet

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

Record

iana registry entry

port: :9020
service: TAMBORA
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns the TAMBORA service name to TCP and UDP port 9020. The assignment was registered by Jason van Zyl on 2002-03-01; no broader deployment details are documented here.
lookups: 0rank 993
added: 2026-08-20
updated: 2026-08-20
references: IANA service name registry — port 9020

Something wrong?

This record is maintained by the engineers who use port 9020. 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 2026-08-20.

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 :9020, by lookups.

port	service	proto	category	risk	views
:9080	Groove RPC	TCPUDP	Web Services	caution	70.8k
:9080	WebSphere HTTP Transport (default)	TCP	Web Services	caution	51.6k
:9001	ETL Service Manager	TCPUDP	Databases	caution	28.6k
:9043	WebSphere Admin Console (SSL)	TCP	Web Services	caution	28.0k
:9001	SharePoint Authoring		Web Services	caution	26.3k
:9001	DBGp Proxy	TCPtls	Network Services	caution	25.5k
:9001	Tor Network		Security	caution	23.7k
:9001	Cisco XRemote		Remote Access	caution	23.7k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :9020TAMBORA

Technical Details

Security Information

Related Ports

Port 9020TAMBORA