- 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.
Port 2642: Tragic
Port 2642 is assigned by IANA to tragic (Tragic).
How tragic works
Other servicesThe client sends a request to port 2642 and the tragic 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
Is port 2642 dangerous?
We have no specific security note for port 2642. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 2642
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| tragic | 2642 | TCP, UDP | Tragic | - | - |
// source: IANA service name and port number registry
Which program uses port 2642, and is it reachable?
Linux
sudo ss -ltnup 'sport = :2642' # process listening on 2642
sudo lsof -nP -i :2642macOS
sudo lsof -nP -i :2642
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2642 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 2642 netstat -ano | findstr :2642
From another machine
nmap -p 2642 -sV <host> sudo nmap -sU -p 2642 <host> nc -zv <host> 2642
Block it in the firewall
sudo ufw deny 2642/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 2642" -Direction Inbound -LocalPort 2642 -Protocol TCP -Action Block # Windows
What is port 2642 used for?
Port 2642 is assigned by IANA to tragic (Tragic).
Is port 2642 TCP or UDP?
Port 2642 is registered for TCP and UDP.
Is it safe to open port 2642?
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 2642 is open?
On Linux run "ss -ltnup 'sport = :2642'", on macOS "lsof -nP -i :2642", and on Windows "netstat -ano | findstr :2642" to see the local process. From another machine, "nmap -p 2642 <host>" shows whether it is reachable.