CyberHunter
// Other services

Port 1916: Persoft Persona

Port 1916 is assigned by IANA to persona (Persoft Persona).

1916

How persona works

Other services
client:1916personaresponse client:1916personaresponse

The client sends a request to port 1916 and the persona 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)
01 Security

Is port 1916 dangerous?

We have no specific security note for port 1916. 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 1916

ServicePortTransportDescriptionReferenceUpdated
persona 1916 TCP, UDP Persoft Persona - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1916, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1916'      # process listening on 1916
sudo lsof -nP -i :1916

macOS

sudo lsof -nP -i :1916

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1916 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1916
netstat -ano | findstr :1916

From another machine

nmap -p 1916 -sV <host>
sudo nmap -sU -p 1916 <host>
nc -zv <host> 1916

Block it in the firewall

sudo ufw deny 1916/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1916" -Direction Inbound -LocalPort 1916 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1916 used for?

Port 1916 is assigned by IANA to persona (Persoft Persona).

Is port 1916 TCP or UDP?

Port 1916 is registered for TCP and UDP.

Is it safe to open port 1916?

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 1916 is open?

On Linux run "ss -ltnup 'sport = :1916'", on macOS "lsof -nP -i :1916", and on Windows "netstat -ano | findstr :1916" to see the local process. From another machine, "nmap -p 1916 <host>" shows whether it is reachable.

05 Related