CyberHunter
// Other services

Port 32636: DMExpress

Port 32636 is assigned by IANA to DMExpress (DMExpress).

32636

How DMExpress works

Other services
client:32636DMExpressresponse client:32636DMExpressresponse

The client sends a request to port 32636 and the DMExpress 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)
01 Security

Is port 32636 dangerous?

We have no specific security note for port 32636. 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 32636

ServicePortTransportDescriptionReferenceUpdated
DMExpress 32636 TCP, UDP DMExpress - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 32636, and is it reachable?

Linux

sudo ss -ltnup 'sport = :32636'      # process listening on 32636
sudo lsof -nP -i :32636

macOS

sudo lsof -nP -i :32636

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 32636 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 32636
netstat -ano | findstr :32636

From another machine

nmap -p 32636 -sV <host>
sudo nmap -sU -p 32636 <host>
nc -zv <host> 32636

Block it in the firewall

sudo ufw deny 32636/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 32636" -Direction Inbound -LocalPort 32636 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 32636 used for?

Port 32636 is assigned by IANA to DMExpress (DMExpress).

Is port 32636 TCP or UDP?

Port 32636 is registered for TCP and UDP.

Is it safe to open port 32636?

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 32636 is open?

On Linux run "ss -ltnup 'sport = :32636'", on macOS "lsof -nP -i :32636", and on Windows "netstat -ano | findstr :32636" to see the local process. From another machine, "nmap -p 32636 <host>" shows whether it is reachable.

05 Related