- Serve it over HTTPS only and check the HTTP security headers.
- Keep admin consoles and development servers off the Internet.
- Patch the application server and remove default credentials and sample apps.
Port 6842: Netmo HTTP
Port 6842 is assigned by IANA to netmo-http (Netmo HTTP).
6842
How netmo-http works
WebA browser sends an HTTP request to port 6842 and the netmo-http server sends the page back.
- 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
- Web
Is port 6842 dangerous?
We have no specific security note for port 6842. Its risk depends on the program actually listening on it. General advice for web services:
IANA registry entries for port 6842
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| netmo-http | 6842 | TCP, UDP | Netmo HTTP | - | - |
// source: IANA service name and port number registry
Which program uses port 6842, and is it reachable?
Linux
sudo ss -ltnup 'sport = :6842' # process listening on 6842
sudo lsof -nP -i :6842macOS
sudo lsof -nP -i :6842
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6842 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 6842 netstat -ano | findstr :6842
From another machine
nmap -p 6842 -sV <host> sudo nmap -sU -p 6842 <host> nc -zv <host> 6842
Block it in the firewall
sudo ufw deny 6842/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 6842" -Direction Inbound -LocalPort 6842 -Protocol TCP -Action Block # Windows
What is port 6842 used for?
Port 6842 is assigned by IANA to netmo-http (Netmo HTTP).
Is port 6842 TCP or UDP?
Port 6842 is registered for TCP and UDP.
Is it safe to open port 6842?
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. Serve it over HTTPS only and check the HTTP security headers.
How do I check if port 6842 is open?
On Linux run "ss -ltnup 'sport = :6842'", on macOS "lsof -nP -i :6842", and on Windows "netstat -ano | findstr :6842" to see the local process. From another machine, "nmap -p 6842 <host>" shows whether it is reachable.
Other web ports
:443 HTTPS tcp · udp · sctp · low risk :80 HTTP tcp · udp · sctp · moderate risk :8080 HTTP alternate tcp · udp · high risk :8443 HTTPS alternate tcp · udp · moderate risk :3000 Dev servers / Grafana tcp · udp · moderate risk :5000 Flask / Docker registry / UPnP tcp · udp · moderate risk :8000 HTTP alternate (dev) tcp · udp · moderate risk :8888 Jupyter / HTTP alternate tcp · udp · high risk