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// Other services

Port 6322: Empress Software Connectivity Server 2

Port 6322 is assigned by IANA to emp-server2 (Empress Software Connectivity Server 2).

6322

How emp-server2 works

Other services
client:6322emp-server2response client:6322emp-server2response

The client sends a request to port 6322 and the emp-server2 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 6322 dangerous?

We have no specific security note for port 6322. 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 6322

ServicePortTransportDescriptionReferenceUpdated
emp-server2 6322 TCP, UDP Empress Software Connectivity Server 2 - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 6322, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6322'      # process listening on 6322
sudo lsof -nP -i :6322

macOS

sudo lsof -nP -i :6322

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6322 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6322
netstat -ano | findstr :6322

From another machine

nmap -p 6322 -sV <host>
sudo nmap -sU -p 6322 <host>
nc -zv <host> 6322

Block it in the firewall

sudo ufw deny 6322/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6322" -Direction Inbound -LocalPort 6322 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6322 used for?

Port 6322 is assigned by IANA to emp-server2 (Empress Software Connectivity Server 2).

Is port 6322 TCP or UDP?

Port 6322 is registered for TCP and UDP.

Is it safe to open port 6322?

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 6322 is open?

On Linux run "ss -ltnup 'sport = :6322'", on macOS "lsof -nP -i :6322", and on Windows "netstat -ano | findstr :6322" to see the local process. From another machine, "nmap -p 6322 <host>" shows whether it is reachable.

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