CyberHunter
Local dataset, no network
// Other services

Port 1915: FACELINK

Port 1915 is assigned by IANA to facelink (FACELINK).

1915

How facelink works

Other services
client:1915facelinkresponse client:1915facelinkresponse

The client sends a request to port 1915 and the facelink 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 1915 dangerous?

We have no specific security note for port 1915. 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 1915

ServicePortTransportDescriptionReferenceUpdated
facelink 1915 TCP, UDP FACELINK - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1915, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1915'      # process listening on 1915
sudo lsof -nP -i :1915

macOS

sudo lsof -nP -i :1915

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1915 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1915
netstat -ano | findstr :1915

From another machine

nmap -p 1915 -sV <host>
sudo nmap -sU -p 1915 <host>
nc -zv <host> 1915

Block it in the firewall

sudo ufw deny 1915/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1915" -Direction Inbound -LocalPort 1915 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1915 used for?

Port 1915 is assigned by IANA to facelink (FACELINK).

Is port 1915 TCP or UDP?

Port 1915 is registered for TCP and UDP.

Is it safe to open port 1915?

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 1915 is open?

On Linux run "ss -ltnup 'sport = :1915'", on macOS "lsof -nP -i :1915", and on Windows "netstat -ano | findstr :1915" to see the local process. From another machine, "nmap -p 1915 <host>" shows whether it is reachable.

05 Related
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