CyberHunter
// Media & streaming

Port 2558: PCLE Multi Media

Port 2558 is assigned by IANA to pclemultimedia (PCLE Multi Media).

2558

How pclemultimedia works

Media & streaming
playercamerapclemultimedia playercamerapclemultimedia

The device streams video frames over port 2558, continuously, as they are captured.

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 2558 dangerous?

We have no specific security note for port 2558. Its risk depends on the program actually listening on it. General advice for media & streaming services:

  • Require authentication on cameras and media servers.
  • Keep IP cameras and recorders off the Internet; use a VPN for remote viewing.
  • Update device firmware.
02 Registry

IANA registry entries for port 2558

ServicePortTransportDescriptionReferenceUpdated
pclemultimedia 2558 TCP, UDP PCLE Multi Media - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2558, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2558'      # process listening on 2558
sudo lsof -nP -i :2558

macOS

sudo lsof -nP -i :2558

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2558 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2558
netstat -ano | findstr :2558

From another machine

nmap -p 2558 -sV <host>
sudo nmap -sU -p 2558 <host>
nc -zv <host> 2558

Block it in the firewall

sudo ufw deny 2558/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2558" -Direction Inbound -LocalPort 2558 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2558 used for?

Port 2558 is assigned by IANA to pclemultimedia (PCLE Multi Media).

Is port 2558 TCP or UDP?

Port 2558 is registered for TCP and UDP.

Is it safe to open port 2558?

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. Require authentication on cameras and media servers.

How do I check if port 2558 is open?

On Linux run "ss -ltnup 'sport = :2558'", on macOS "lsof -nP -i :2558", and on Windows "netstat -ano | findstr :2558" to see the local process. From another machine, "nmap -p 2558 <host>" shows whether it is reachable.

05 Related