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// Network services

Port 8020: Intuit Entitlement Service and Discovery

Port 8020 is assigned by IANA to intu-ec-svcdisc (Intuit Entitlement Service and Discovery).

8020

How intu-ec-svcdisc works

Network services
client:8020intu-ec-svcdiscresponse client:8020intu-ec-svcdiscresponse

The client sends a request to port 8020 and the intu-ec-svcdisc 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
Network services
01 Security

Is port 8020 dangerous?

We have no specific security note for port 8020. Its risk depends on the program actually listening on it. General advice for network services services:

  • Answer only the networks that need the service (no open resolvers, relays or reflectors).
  • UDP services can be abused for DDoS amplification: rate-limit or block them at the edge.
  • Disable legacy test services that have no use in production.
02 Registry

IANA registry entries for port 8020

ServicePortTransportDescriptionReferenceUpdated
intu-ec-svcdisc 8020 TCP, UDP Intuit Entitlement Service and Discovery - 2005-05

// source: IANA service name and port number registry

03 Check it

Which program uses port 8020, and is it reachable?

Linux

sudo ss -ltnup 'sport = :8020'      # process listening on 8020
sudo lsof -nP -i :8020

macOS

sudo lsof -nP -i :8020

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8020 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 8020
netstat -ano | findstr :8020

From another machine

nmap -p 8020 -sV <host>
sudo nmap -sU -p 8020 <host>
nc -zv <host> 8020

Block it in the firewall

sudo ufw deny 8020/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 8020" -Direction Inbound -LocalPort 8020 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 8020 used for?

Port 8020 is assigned by IANA to intu-ec-svcdisc (Intuit Entitlement Service and Discovery).

Is port 8020 TCP or UDP?

Port 8020 is registered for TCP and UDP.

Is it safe to open port 8020?

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. Answer only the networks that need the service (no open resolvers, relays or reflectors).

How do I check if port 8020 is open?

On Linux run "ss -ltnup 'sport = :8020'", on macOS "lsof -nP -i :8020", and on Windows "netstat -ano | findstr :8020" to see the local process. From another machine, "nmap -p 8020 <host>" shows whether it is reachable.

05 Related
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