CyberHunter
Local dataset, no network
// Other services

Port 2322: ofsd

Port 2322 is assigned by IANA to ofsd (ofsd).

2322

How ofsd works

Other services
client:2322ofsdresponse client:2322ofsdresponse

The client sends a request to port 2322 and the ofsd 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 2322 dangerous?

We have no specific security note for port 2322. 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 2322

ServicePortTransportDescriptionReferenceUpdated
ofsd 2322 TCP, UDP ofsd - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2322, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2322'      # process listening on 2322
sudo lsof -nP -i :2322

macOS

sudo lsof -nP -i :2322

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2322 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2322
netstat -ano | findstr :2322

From another machine

nmap -p 2322 -sV <host>
sudo nmap -sU -p 2322 <host>
nc -zv <host> 2322

Block it in the firewall

sudo ufw deny 2322/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2322" -Direction Inbound -LocalPort 2322 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2322 used for?

Port 2322 is assigned by IANA to ofsd (ofsd).

Is port 2322 TCP or UDP?

Port 2322 is registered for TCP and UDP.

Is it safe to open port 2322?

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 2322 is open?

On Linux run "ss -ltnup 'sport = :2322'", on macOS "lsof -nP -i :2322", and on Windows "netstat -ano | findstr :2322" to see the local process. From another machine, "nmap -p 2322 <host>" shows whether it is reachable.

05 Related
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