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// Other services

Port 2645: Novell IPX CMD

Port 2645 is assigned by IANA to novell-ipx-cmd (Novell IPX CMD).

2645

How novell-ipx-cmd works

Other services
client:2645novell-ipx-cmdresponse client:2645novell-ipx-cmdresponse

The client sends a request to port 2645 and the novell-ipx-cmd 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 2645 dangerous?

We have no specific security note for port 2645. 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 2645

ServicePortTransportDescriptionReferenceUpdated
novell-ipx-cmd 2645 TCP, UDP Novell IPX CMD - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2645, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2645'      # process listening on 2645
sudo lsof -nP -i :2645

macOS

sudo lsof -nP -i :2645

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2645 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2645
netstat -ano | findstr :2645

From another machine

nmap -p 2645 -sV <host>
sudo nmap -sU -p 2645 <host>
nc -zv <host> 2645

Block it in the firewall

sudo ufw deny 2645/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2645" -Direction Inbound -LocalPort 2645 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2645 used for?

Port 2645 is assigned by IANA to novell-ipx-cmd (Novell IPX CMD).

Is port 2645 TCP or UDP?

Port 2645 is registered for TCP and UDP.

Is it safe to open port 2645?

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 2645 is open?

On Linux run "ss -ltnup 'sport = :2645'", on macOS "lsof -nP -i :2645", and on Windows "netstat -ano | findstr :2645" to see the local process. From another machine, "nmap -p 2645 <host>" shows whether it is reachable.

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