CyberHunter
Local dataset, no network
// Other services

Port 7236: Wi-Fi Alliance Wi-Fi Display Protocol

Port 7236 is assigned by IANA to display (Wi-Fi Alliance Wi-Fi Display Protocol).

7236

How display works

Other services
client:7236displayresponse client:7236displayresponse

The client sends a request to port 7236 and the display service answers.

Transport
TCP
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 7236 dangerous?

We have no specific security note for port 7236. 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 7236

ServicePortTransportDescriptionReferenceUpdated
display 7236 TCP Wi-Fi Alliance Wi-Fi Display Protocol - 2012-04-09
-7236-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 7236, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7236'      # process listening on 7236
sudo lsof -nP -i :7236

macOS

sudo lsof -nP -i :7236

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7236 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7236
netstat -ano | findstr :7236

From another machine

nmap -p 7236 -sV <host>
nc -zv <host> 7236

Block it in the firewall

sudo ufw deny 7236/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7236" -Direction Inbound -LocalPort 7236 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7236 used for?

Port 7236 is assigned by IANA to display (Wi-Fi Alliance Wi-Fi Display Protocol).

Is port 7236 TCP or UDP?

Port 7236 is registered for TCP.

Is it safe to open port 7236?

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 7236 is open?

On Linux run "ss -ltnup 'sport = :7236'", on macOS "lsof -nP -i :7236", and on Windows "netstat -ano | findstr :7236" to see the local process. From another machine, "nmap -p 7236 <host>" shows whether it is reachable.

05 Related
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