- 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 8051: Rocrail Client Service
Port 8051 is assigned by IANA to rocrail (Rocrail Client Service).
How rocrail works
Other servicesThe client sends a request to port 8051 and the rocrail service answers.
- Transport
- TCP
- 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 8051 dangerous?
We have no specific security note for port 8051. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 8051
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| rocrail | 8051 | TCP | Rocrail Client Service | - | 2011-05-23 |
| - | 8051 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 8051, and is it reachable?
Linux
sudo ss -ltnup 'sport = :8051' # process listening on 8051
sudo lsof -nP -i :8051macOS
sudo lsof -nP -i :8051
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8051 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 8051 netstat -ano | findstr :8051
From another machine
nmap -p 8051 -sV <host> nc -zv <host> 8051
Block it in the firewall
sudo ufw deny 8051/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 8051" -Direction Inbound -LocalPort 8051 -Protocol TCP -Action Block # Windows
What is port 8051 used for?
Port 8051 is assigned by IANA to rocrail (Rocrail Client Service).
Is port 8051 TCP or UDP?
Port 8051 is registered for TCP.
Is it safe to open port 8051?
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 8051 is open?
On Linux run "ss -ltnup 'sport = :8051'", on macOS "lsof -nP -i :8051", and on Windows "netstat -ano | findstr :8051" to see the local process. From another machine, "nmap -p 8051 <host>" shows whether it is reachable.