CyberHunter
Local dataset, no network
// Other services

Port 7161: CA BSM Comm

Port 7161 is assigned by IANA to cabsm-comm (CA BSM Comm).

7161

How cabsm-comm works

Other services
client:7161cabsm-commresponse client:7161cabsm-commresponse

The client sends a request to port 7161 and the cabsm-comm 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 7161 dangerous?

We have no specific security note for port 7161. 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 7161

ServicePortTransportDescriptionReferenceUpdated
cabsm-comm 7161 TCP, UDP CA BSM Comm - 2004-11

// source: IANA service name and port number registry

03 Check it

Which program uses port 7161, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7161'      # process listening on 7161
sudo lsof -nP -i :7161

macOS

sudo lsof -nP -i :7161

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7161 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7161
netstat -ano | findstr :7161

From another machine

nmap -p 7161 -sV <host>
sudo nmap -sU -p 7161 <host>
nc -zv <host> 7161

Block it in the firewall

sudo ufw deny 7161/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7161" -Direction Inbound -LocalPort 7161 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7161 used for?

Port 7161 is assigned by IANA to cabsm-comm (CA BSM Comm).

Is port 7161 TCP or UDP?

Port 7161 is registered for TCP and UDP.

Is it safe to open port 7161?

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 7161 is open?

On Linux run "ss -ltnup 'sport = :7161'", on macOS "lsof -nP -i :7161", and on Windows "netstat -ano | findstr :7161" to see the local process. From another machine, "nmap -p 7161 <host>" shows whether it is reachable.

05 Related
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