CyberHunter
Local dataset, no network
// Other services

Port 11367: ATM UHAS

Port 11367 is assigned by IANA to atm-uhas (ATM UHAS).

11367

How atm-uhas works

Other services
client:11367atm-uhasresponse client:11367atm-uhasresponse

The client sends a request to port 11367 and the atm-uhas 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 11367 dangerous?

We have no specific security note for port 11367. 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 11367

ServicePortTransportDescriptionReferenceUpdated
atm-uhas 11367 TCP, UDP ATM UHAS - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 11367, and is it reachable?

Linux

sudo ss -ltnup 'sport = :11367'      # process listening on 11367
sudo lsof -nP -i :11367

macOS

sudo lsof -nP -i :11367

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 11367 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 11367
netstat -ano | findstr :11367

From another machine

nmap -p 11367 -sV <host>
sudo nmap -sU -p 11367 <host>
nc -zv <host> 11367

Block it in the firewall

sudo ufw deny 11367/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 11367" -Direction Inbound -LocalPort 11367 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 11367 used for?

Port 11367 is assigned by IANA to atm-uhas (ATM UHAS).

Is port 11367 TCP or UDP?

Port 11367 is registered for TCP and UDP.

Is it safe to open port 11367?

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 11367 is open?

On Linux run "ss -ltnup 'sport = :11367'", on macOS "lsof -nP -i :11367", and on Windows "netstat -ano | findstr :11367" to see the local process. From another machine, "nmap -p 11367 <host>" shows whether it is reachable.

05 Related
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