Port 5842
reversion · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | reversion |
| Registered | 2011-09-26 |
| Modified | 2022-10-12 |
Frequently asked questions
What is port 5842 used for?
Port 5842 is registered with the IANA for reversion (TCP/UDP). Description: Reversion Backup/Restore; Reserved.
Is port 5842 a well-known port?
No. Port 5842 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 5842 is open?
Locally on Linux with ss -tulpn | grep ':5842\b', on Windows with netstat -ano | findstr :5842. To test a remote host use Test-NetConnection <host> -Port 5842 in PowerShell or nc -zv <host> 5842 on Linux/macOS.
How do I open port 5842 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 5842/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5842/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5842" -Direction Inbound -Protocol TCP -LocalPort 5842 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | reversion | Reversion Backup/Restore |
| UDP | – | Reserved |