CyberHunter
Local dataset, no network
// Other services

Port 2368: OpenTable

Port 2368 is assigned by IANA to opentable (OpenTable).

2368

How opentable works

Other services
client:2368opentableresponse client:2368opentableresponse

The client sends a request to port 2368 and the opentable 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 2368 dangerous?

We have no specific security note for port 2368. 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 2368

ServicePortTransportDescriptionReferenceUpdated
opentable 2368 TCP, UDP OpenTable - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2368, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2368'      # process listening on 2368
sudo lsof -nP -i :2368

macOS

sudo lsof -nP -i :2368

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2368 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2368
netstat -ano | findstr :2368

From another machine

nmap -p 2368 -sV <host>
sudo nmap -sU -p 2368 <host>
nc -zv <host> 2368

Block it in the firewall

sudo ufw deny 2368/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2368" -Direction Inbound -LocalPort 2368 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2368 used for?

Port 2368 is assigned by IANA to opentable (OpenTable).

Is port 2368 TCP or UDP?

Port 2368 is registered for TCP and UDP.

Is it safe to open port 2368?

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 2368 is open?

On Linux run "ss -ltnup 'sport = :2368'", on macOS "lsof -nP -i :2368", and on Windows "netstat -ano | findstr :2368" to see the local process. From another machine, "nmap -p 2368 <host>" shows whether it is reachable.

05 Related
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