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// Web

Port 14414: CA eTrust Web Update Service

Port 14414 is assigned by IANA to ca-web-update (CA eTrust Web Update Service).

14414

How ca-web-update works

Web
browser:14414ca-web-update browser:14414ca-web-update

A browser sends an HTTP request to port 14414 and the ca-web-update server sends the page back.

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
Web
01 Security

Is port 14414 dangerous?

We have no specific security note for port 14414. Its risk depends on the program actually listening on it. General advice for web services:

  • Serve it over HTTPS only and check the HTTP security headers.
  • Keep admin consoles and development servers off the Internet.
  • Patch the application server and remove default credentials and sample apps.
02 Registry

IANA registry entries for port 14414

ServicePortTransportDescriptionReferenceUpdated
ca-web-update 14414 TCP, UDP CA eTrust Web Update Service - 2006-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 14414, and is it reachable?

Linux

sudo ss -ltnup 'sport = :14414'      # process listening on 14414
sudo lsof -nP -i :14414

macOS

sudo lsof -nP -i :14414

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 14414 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 14414
netstat -ano | findstr :14414

From another machine

nmap -p 14414 -sV <host>
sudo nmap -sU -p 14414 <host>
nc -zv <host> 14414

Block it in the firewall

sudo ufw deny 14414/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 14414" -Direction Inbound -LocalPort 14414 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 14414 used for?

Port 14414 is assigned by IANA to ca-web-update (CA eTrust Web Update Service).

Is port 14414 TCP or UDP?

Port 14414 is registered for TCP and UDP.

Is it safe to open port 14414?

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. Serve it over HTTPS only and check the HTTP security headers.

How do I check if port 14414 is open?

On Linux run "ss -ltnup 'sport = :14414'", on macOS "lsof -nP -i :14414", and on Windows "netstat -ano | findstr :14414" to see the local process. From another machine, "nmap -p 14414 <host>" shows whether it is reachable.

05 Related
:443 HTTPS tcp · udp · sctp · low risk :80 HTTP tcp · udp · sctp · moderate risk :8080 HTTP alternate tcp · udp · high risk :8443 HTTPS alternate tcp · udp · moderate risk :3000 Dev servers / Grafana tcp · udp · moderate risk :5000 Flask / Docker registry / UPnP tcp · udp · moderate risk :8000 HTTP alternate (dev) tcp · udp · moderate risk :8888 Jupyter / HTTP alternate tcp · udp · high risk

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