CyberHunter
Local dataset, no network
// Other services

Port 13818: DSMCC Config

Port 13818 is assigned by IANA to dsmcc-config (DSMCC Config).

13818

How dsmcc-config works

Other services
client:13818dsmcc-configresponse client:13818dsmcc-configresponse

The client sends a request to port 13818 and the dsmcc-config 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
01 Security

Is port 13818 dangerous?

We have no specific security note for port 13818. Its risk depends on the program actually listening on it. General advice for other services services:

  • 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.
02 Registry

IANA registry entries for port 13818

ServicePortTransportDescriptionReferenceUpdated
dsmcc-config 13818 TCP, UDP DSMCC Config ISO/IEC 13818-6 MPEG-2 DSM-CC -

// source: IANA service name and port number registry

03 Check it

Which program uses port 13818, and is it reachable?

Linux

sudo ss -ltnup 'sport = :13818'      # process listening on 13818
sudo lsof -nP -i :13818

macOS

sudo lsof -nP -i :13818

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 13818 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 13818
netstat -ano | findstr :13818

From another machine

nmap -p 13818 -sV <host>
sudo nmap -sU -p 13818 <host>
nc -zv <host> 13818

Block it in the firewall

sudo ufw deny 13818/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 13818" -Direction Inbound -LocalPort 13818 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 13818 used for?

Port 13818 is assigned by IANA to dsmcc-config (DSMCC Config).

Is port 13818 TCP or UDP?

Port 13818 is registered for TCP and UDP.

Is it safe to open port 13818?

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 13818 is open?

On Linux run "ss -ltnup 'sport = :13818'", on macOS "lsof -nP -i :13818", and on Windows "netstat -ano | findstr :13818" to see the local process. From another machine, "nmap -p 13818 <host>" shows whether it is reachable.

05 Related
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