- 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 41796: Crestron Secure Control Port
Port 41796 is assigned by IANA to crestron-cips (Crestron Secure Control Port).
How crestron-cips works
Other servicesThe client sends a request to port 41796 and the crestron-cips 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 41796 dangerous?
We have no specific security note for port 41796. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 41796
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| crestron-cips | 41796 | TCP | Crestron Secure Control Port | - | 2019-10-17 |
| - | 41796 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 41796, and is it reachable?
Linux
sudo ss -ltnup 'sport = :41796' # process listening on 41796
sudo lsof -nP -i :41796macOS
sudo lsof -nP -i :41796
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 41796 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 41796 netstat -ano | findstr :41796
From another machine
nmap -p 41796 -sV <host> nc -zv <host> 41796
Block it in the firewall
sudo ufw deny 41796/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 41796" -Direction Inbound -LocalPort 41796 -Protocol TCP -Action Block # Windows
What is port 41796 used for?
Port 41796 is assigned by IANA to crestron-cips (Crestron Secure Control Port).
Is port 41796 TCP or UDP?
Port 41796 is registered for TCP.
Is it safe to open port 41796?
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 41796 is open?
On Linux run "ss -ltnup 'sport = :41796'", on macOS "lsof -nP -i :41796", and on Windows "netstat -ano | findstr :41796" to see the local process. From another machine, "nmap -p 41796 <host>" shows whether it is reachable.