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// Other services

Port 7163: CA Connection Broker

Port 7163 is assigned by IANA to cacsambroker (CA Connection Broker).

7163

How cacsambroker works

Other services
client:7163cacsambrokerresponse client:7163cacsambrokerresponse

The client sends a request to port 7163 and the cacsambroker 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 7163 dangerous?

We have no specific security note for port 7163. 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 7163

ServicePortTransportDescriptionReferenceUpdated
cacsambroker 7163 TCP, UDP CA Connection Broker - 2005-05

// source: IANA service name and port number registry

03 Check it

Which program uses port 7163, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7163'      # process listening on 7163
sudo lsof -nP -i :7163

macOS

sudo lsof -nP -i :7163

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7163 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7163
netstat -ano | findstr :7163

From another machine

nmap -p 7163 -sV <host>
sudo nmap -sU -p 7163 <host>
nc -zv <host> 7163

Block it in the firewall

sudo ufw deny 7163/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7163" -Direction Inbound -LocalPort 7163 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7163 used for?

Port 7163 is assigned by IANA to cacsambroker (CA Connection Broker).

Is port 7163 TCP or UDP?

Port 7163 is registered for TCP and UDP.

Is it safe to open port 7163?

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 7163 is open?

On Linux run "ss -ltnup 'sport = :7163'", on macOS "lsof -nP -i :7163", and on Windows "netstat -ano | findstr :7163" to see the local process. From another machine, "nmap -p 7163 <host>" shows whether it is reachable.

05 Related
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