CyberHunter
Local dataset, no network
// Other services

Port 5080: OnScreen Data Collection Service

Port 5080 is assigned by IANA to onscreen (OnScreen Data Collection Service).

5080

How onscreen works

Other services
client:5080onscreenresponse client:5080onscreenresponse

The client sends a request to port 5080 and the onscreen service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 5080 dangerous?

We have no specific security note for port 5080. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 5080

ServicePortTransportDescriptionReferenceUpdated
onscreen 5080 TCP, UDP OnScreen Data Collection Service - 2008-01-14

// source: IANA service name and port number registry

03 Check it

Which program uses port 5080, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5080'      # process listening on 5080
sudo lsof -nP -i :5080

macOS

sudo lsof -nP -i :5080

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5080 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5080
netstat -ano | findstr :5080

From another machine

nmap -p 5080 -sV <host>
sudo nmap -sU -p 5080 <host>
nc -zv <host> 5080

Block it in the firewall

sudo ufw deny 5080/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5080" -Direction Inbound -LocalPort 5080 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5080 used for?

Port 5080 is assigned by IANA to onscreen (OnScreen Data Collection Service).

Is port 5080 TCP or UDP?

Port 5080 is registered for TCP and UDP.

Is it safe to open port 5080?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 5080 is open?

On Linux run "ss -ltnup 'sport = :5080'", on macOS "lsof -nP -i :5080", and on Windows "netstat -ano | findstr :5080" to see the local process. From another machine, "nmap -p 5080 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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