CyberHunter
Local dataset, no network
// Other services

Port 2434: pxc-epmap

Port 2434 is assigned by IANA to pxc-epmap (pxc-epmap).

2434

How pxc-epmap works

Other services
client:2434pxc-epmapresponse client:2434pxc-epmapresponse

The client sends a request to port 2434 and the pxc-epmap 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 2434 dangerous?

We have no specific security note for port 2434. 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 2434

ServicePortTransportDescriptionReferenceUpdated
pxc-epmap 2434 TCP, UDP pxc-epmap - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2434, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2434'      # process listening on 2434
sudo lsof -nP -i :2434

macOS

sudo lsof -nP -i :2434

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2434 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2434
netstat -ano | findstr :2434

From another machine

nmap -p 2434 -sV <host>
sudo nmap -sU -p 2434 <host>
nc -zv <host> 2434

Block it in the firewall

sudo ufw deny 2434/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2434" -Direction Inbound -LocalPort 2434 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2434 used for?

Port 2434 is assigned by IANA to pxc-epmap (pxc-epmap).

Is port 2434 TCP or UDP?

Port 2434 is registered for TCP and UDP.

Is it safe to open port 2434?

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 2434 is open?

On Linux run "ss -ltnup 'sport = :2434'", on macOS "lsof -nP -i :2434", and on Windows "netstat -ano | findstr :2434" to see the local process. From another machine, "nmap -p 2434 <host>" shows whether it is reachable.

05 Related
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