CyberHunter
Local dataset, no network
// Other services

Port 4080: Lorica inside facing

Port 4080 is assigned by IANA to lorica-in (Lorica inside facing).

4080

How lorica-in works

Other services
client:4080lorica-inresponse client:4080lorica-inresponse

The client sends a request to port 4080 and the lorica-in 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 4080 dangerous?

We have no specific security note for port 4080. 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 4080

ServicePortTransportDescriptionReferenceUpdated
lorica-in 4080 TCP, UDP Lorica inside facing - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 4080, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4080'      # process listening on 4080
sudo lsof -nP -i :4080

macOS

sudo lsof -nP -i :4080

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4080 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4080
netstat -ano | findstr :4080

From another machine

nmap -p 4080 -sV <host>
sudo nmap -sU -p 4080 <host>
nc -zv <host> 4080

Block it in the firewall

sudo ufw deny 4080/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4080" -Direction Inbound -LocalPort 4080 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4080 used for?

Port 4080 is assigned by IANA to lorica-in (Lorica inside facing).

Is port 4080 TCP or UDP?

Port 4080 is registered for TCP and UDP.

Is it safe to open port 4080?

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 4080 is open?

On Linux run "ss -ltnup 'sport = :4080'", on macOS "lsof -nP -i :4080", and on Windows "netstat -ano | findstr :4080" to see the local process. From another machine, "nmap -p 4080 <host>" shows whether it is reachable.

05 Related
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