- 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 8191: Limner Pressure
Port 8191 is assigned by IANA to limnerpressure (Limner Pressure).
8191
How limnerpressure works
Other servicesThe client sends a request to port 8191 and the limnerpressure 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 8191 dangerous?
We have no specific security note for port 8191. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 8191
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| limnerpressure | 8191 | TCP | Limner Pressure | - | 2014-01-16 |
| - | 8191 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 8191, and is it reachable?
Linux
sudo ss -ltnup 'sport = :8191' # process listening on 8191
sudo lsof -nP -i :8191macOS
sudo lsof -nP -i :8191
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8191 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 8191 netstat -ano | findstr :8191
From another machine
nmap -p 8191 -sV <host> nc -zv <host> 8191
Block it in the firewall
sudo ufw deny 8191/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 8191" -Direction Inbound -LocalPort 8191 -Protocol TCP -Action Block # Windows
What is port 8191 used for?
Port 8191 is assigned by IANA to limnerpressure (Limner Pressure).
Is port 8191 TCP or UDP?
Port 8191 is registered for TCP.
Is it safe to open port 8191?
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 8191 is open?
On Linux run "ss -ltnup 'sport = :8191'", on macOS "lsof -nP -i :8191", and on Windows "netstat -ano | findstr :8191" to see the local process. From another machine, "nmap -p 8191 <host>" shows whether it is reachable.
Other other services ports
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