- Use strong credentials and TLS for signalling.
- Rate-limit registrations to stop extension scanning and toll fraud.
- Alert on unexpected chat protocols leaving servers (possible command and control).
Port 2427: Media Gateway Control Protocol Gateway
Port 2427 is assigned by IANA to mgcp-gateway (Media Gateway Control Protocol Gateway).
2427
How mgcp-gateway works
Voice & chatPort 2427 sets up the call (who calls whom), then the voice travels as a stream of audio packets.
- 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
- Voice & chat
Is port 2427 dangerous?
We have no specific security note for port 2427. Its risk depends on the program actually listening on it. General advice for voice & chat services:
IANA registry entries for port 2427
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| mgcp-gateway | 2427 | TCP, UDP | Media Gateway Control Protocol Gateway | - | - |
// source: IANA service name and port number registry
Which program uses port 2427, and is it reachable?
Linux
sudo ss -ltnup 'sport = :2427' # process listening on 2427
sudo lsof -nP -i :2427macOS
sudo lsof -nP -i :2427
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2427 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 2427 netstat -ano | findstr :2427
From another machine
nmap -p 2427 -sV <host> sudo nmap -sU -p 2427 <host> nc -zv <host> 2427
Block it in the firewall
sudo ufw deny 2427/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 2427" -Direction Inbound -LocalPort 2427 -Protocol TCP -Action Block # Windows
What is port 2427 used for?
Port 2427 is assigned by IANA to mgcp-gateway (Media Gateway Control Protocol Gateway).
Is port 2427 TCP or UDP?
Port 2427 is registered for TCP and UDP.
Is it safe to open port 2427?
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. Use strong credentials and TLS for signalling.
How do I check if port 2427 is open?
On Linux run "ss -ltnup 'sport = :2427'", on macOS "lsof -nP -i :2427", and on Windows "netstat -ano | findstr :2427" to see the local process. From another machine, "nmap -p 2427 <host>" shows whether it is reachable.