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// Other services

Port 5914: Security for Internet Protocol Suite

Port 5914 is assigned by IANA to ipsdtls (Security for Internet Protocol Suite).

5914

How ipsdtls works

Other services
client:5914ipsdtlsresponse client:5914ipsdtlsresponse

The client sends a request to port 5914 and the ipsdtls service answers.

Transport
TCP · UDP · SCTP
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 5914 dangerous?

We have no specific security note for port 5914. 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 5914

ServicePortTransportDescriptionReferenceUpdated
ipsdtls 5914 TCP, UDP, SCTP Security for Internet Protocol Suite - 2024-11-19

// source: IANA service name and port number registry

03 Check it

Which program uses port 5914, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5914'      # process listening on 5914
sudo lsof -nP -i :5914

macOS

sudo lsof -nP -i :5914

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5914 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5914
netstat -ano | findstr :5914

From another machine

nmap -p 5914 -sV <host>
sudo nmap -sU -p 5914 <host>
nc -zv <host> 5914

Block it in the firewall

sudo ufw deny 5914/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5914" -Direction Inbound -LocalPort 5914 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5914 used for?

Port 5914 is assigned by IANA to ipsdtls (Security for Internet Protocol Suite).

Is port 5914 TCP or UDP?

Port 5914 is registered for TCP and UDP and SCTP.

Is it safe to open port 5914?

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 5914 is open?

On Linux run "ss -ltnup 'sport = :5914'", on macOS "lsof -nP -i :5914", and on Windows "netstat -ano | findstr :5914" to see the local process. From another machine, "nmap -p 5914 <host>" shows whether it is reachable.

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