- 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 2378: DALI lighting control
Port 2378 is assigned by IANA to dali (DALI lighting control).
2378
How dali works
Other servicesThe client sends a request to port 2378 and the dali service answers.
- Transport
- 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 2378 dangerous?
We have no specific security note for port 2378. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 2378
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| dali | 2378 | UDP | DALI lighting control | - | 2020-11-24 |
| - | 2378 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 2378, and is it reachable?
Linux
sudo ss -ltnup 'sport = :2378' # process listening on 2378
sudo lsof -nP -i :2378macOS
sudo lsof -nP -i :2378
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2378 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 2378 netstat -ano | findstr :2378
From another machine
nmap -p 2378 -sV <host> sudo nmap -sU -p 2378 <host> nc -zv <host> 2378
Block it in the firewall
sudo ufw deny 2378/udp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 2378" -Direction Inbound -LocalPort 2378 -Protocol UDP -Action Block # Windows
What is port 2378 used for?
Port 2378 is assigned by IANA to dali (DALI lighting control).
Is port 2378 TCP or UDP?
Port 2378 is registered for UDP.
Is it safe to open port 2378?
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 2378 is open?
On Linux run "ss -ltnup 'sport = :2378'", on macOS "lsof -nP -i :2378", and on Windows "netstat -ano | findstr :2378" to see the local process. From another machine, "nmap -p 2378 <host>" shows whether it is reachable.
Other other services ports
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp