- 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 13822: DSMCC Channel Change Protocol
Port 13822 is assigned by IANA to dsmcc-ccp (DSMCC Channel Change Protocol).
How dsmcc-ccp works
Other servicesThe client sends a request to port 13822 and the dsmcc-ccp service answers.
- 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
- Other services
Is port 13822 dangerous?
We have no specific security note for port 13822. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 13822
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| dsmcc-ccp | 13822 | TCP, UDP | DSMCC Channel Change Protocol | ISO/IEC 13818-6 MPEG-2 DSM-CC | - |
// source: IANA service name and port number registry
Which program uses port 13822, and is it reachable?
Linux
sudo ss -ltnup 'sport = :13822' # process listening on 13822
sudo lsof -nP -i :13822macOS
sudo lsof -nP -i :13822
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 13822 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 13822 netstat -ano | findstr :13822
From another machine
nmap -p 13822 -sV <host> sudo nmap -sU -p 13822 <host> nc -zv <host> 13822
Block it in the firewall
sudo ufw deny 13822/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 13822" -Direction Inbound -LocalPort 13822 -Protocol TCP -Action Block # Windows
What is port 13822 used for?
Port 13822 is assigned by IANA to dsmcc-ccp (DSMCC Channel Change Protocol).
Is port 13822 TCP or UDP?
Port 13822 is registered for TCP and UDP.
Is it safe to open port 13822?
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 13822 is open?
On Linux run "ss -ltnup 'sport = :13822'", on macOS "lsof -nP -i :13822", and on Windows "netstat -ano | findstr :13822" to see the local process. From another machine, "nmap -p 13822 <host>" shows whether it is reachable.