- 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 10023: Comtech EF-Data's Vipersat Management Protocol
Port 10023 is assigned by IANA to cefd-vmp (Comtech EF-Data's Vipersat Management Protocol).
How cefd-vmp works
Other servicesThe client sends a request to port 10023 and the cefd-vmp 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 10023 dangerous?
We have no specific security note for port 10023. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 10023
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| cefd-vmp | 10023 | UDP | Comtech EF-Data's Vipersat Management Protocol | - | 2014-01-23 |
| - | 10023 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 10023, and is it reachable?
Linux
sudo ss -ltnup 'sport = :10023' # process listening on 10023
sudo lsof -nP -i :10023macOS
sudo lsof -nP -i :10023
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 10023 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 10023 netstat -ano | findstr :10023
From another machine
nmap -p 10023 -sV <host> sudo nmap -sU -p 10023 <host> nc -zv <host> 10023
Block it in the firewall
sudo ufw deny 10023/udp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 10023" -Direction Inbound -LocalPort 10023 -Protocol UDP -Action Block # Windows
What is port 10023 used for?
Port 10023 is assigned by IANA to cefd-vmp (Comtech EF-Data's Vipersat Management Protocol).
Is port 10023 TCP or UDP?
Port 10023 is registered for UDP.
Is it safe to open port 10023?
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 10023 is open?
On Linux run "ss -ltnup 'sport = :10023'", on macOS "lsof -nP -i :10023", and on Windows "netstat -ano | findstr :10023" to see the local process. From another machine, "nmap -p 10023 <host>" shows whether it is reachable.