Port 2580Tributary

Tributary service traffic may use TCP or UDP port 2580; public protocol details are not documented.

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

Technical Details

what runs on :2580

Tributary is registered on port :2580 over tcp and udp to Louis Lu. 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 :2580

this machine

# linux
sudo ss -tulpn 'sport = :2580'

# macos / bsd
sudo lsof -nP -i :2580

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :2580

another host

nmap -sV -p T:2580 <host>
sudo nmap -sU -sV -p U:2580 <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 :2580

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 :2580 yet

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

Record

iana registry entry

port: :2580
service: Tributary
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: Port 2580 is assigned to the Tributary service over both TCP and UDP. The assignment is registered to Louis Lu, but no product, protocol, or deployment details are recorded.
lookups: 0rank 993
added: 2026-09-12
updated: 2026-09-12
references: IANA service name registry — port 2580

Something wrong?

This record is maintained by the engineers who use port 2580. 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

browse categories →

ports registered around :2580, by lookups.

port	service	proto	category	risk	views
:2546	EVault Data Protection	TCPUDP	File Transfer	caution	11.3k
:2598	Citrix ICA Session Reliability	TCP	Remote Access	caution	11.0k
:2593	RunUO Ultima Online	TCPUDP	Gaming	caution	9.2k
:2599	SonicWALL Antispam	TCP	Email	caution	8.8k
:2638	Sybase Listener	TCP	Databases	caution	7.8k
:2610	Dark Ages	TCP	Network Services	caution	5.0k
:2525	SMTP Alternate	TCP	Email	caution	4.9k
:2612	QPasa	TCPUDP	Network Services	caution	4.6k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :2580Tributary

Technical Details

Security Information

Related Ports

Port 2580Tributary