CyberHunter
Local dataset, no network
// Other services

Port 1713: ConferenceTalk

Port 1713 is assigned by IANA to conferencetalk (ConferenceTalk).

1713

How conferencetalk works

Other services
client:1713conferencetalkresponse client:1713conferencetalkresponse

The client sends a request to port 1713 and the conferencetalk 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 1713 dangerous?

We have no specific security note for port 1713. 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 1713

ServicePortTransportDescriptionReferenceUpdated
conferencetalk 1713 TCP, UDP ConferenceTalk - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1713, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1713'      # process listening on 1713
sudo lsof -nP -i :1713

macOS

sudo lsof -nP -i :1713

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1713 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1713
netstat -ano | findstr :1713

From another machine

nmap -p 1713 -sV <host>
sudo nmap -sU -p 1713 <host>
nc -zv <host> 1713

Block it in the firewall

sudo ufw deny 1713/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1713" -Direction Inbound -LocalPort 1713 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1713 used for?

Port 1713 is assigned by IANA to conferencetalk (ConferenceTalk).

Is port 1713 TCP or UDP?

Port 1713 is registered for TCP and UDP.

Is it safe to open port 1713?

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 1713 is open?

On Linux run "ss -ltnup 'sport = :1713'", on macOS "lsof -nP -i :1713", and on Windows "netstat -ano | findstr :1713" to see the local process. From another machine, "nmap -p 1713 <host>" shows whether it is reachable.

05 Related
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