CyberHunter
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// Other services

Port 3262: NECP

Port 3262 is assigned by IANA to necp (NECP).

3262

How necp works

Other services
client:3262necpresponse client:3262necpresponse

The client sends a request to port 3262 and the necp 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 3262 dangerous?

We have no specific security note for port 3262. 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 3262

ServicePortTransportDescriptionReferenceUpdated
necp 3262 TCP, UDP NECP - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3262, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3262'      # process listening on 3262
sudo lsof -nP -i :3262

macOS

sudo lsof -nP -i :3262

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3262 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3262
netstat -ano | findstr :3262

From another machine

nmap -p 3262 -sV <host>
sudo nmap -sU -p 3262 <host>
nc -zv <host> 3262

Block it in the firewall

sudo ufw deny 3262/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3262" -Direction Inbound -LocalPort 3262 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3262 used for?

Port 3262 is assigned by IANA to necp (NECP).

Is port 3262 TCP or UDP?

Port 3262 is registered for TCP and UDP.

Is it safe to open port 3262?

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 3262 is open?

On Linux run "ss -ltnup 'sport = :3262'", on macOS "lsof -nP -i :3262", and on Windows "netstat -ano | findstr :3262" to see the local process. From another machine, "nmap -p 3262 <host>" shows whether it is reachable.

05 Related
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