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// Other services

Port 8613: Canon BJNP Port 3

Port 8613 is assigned by IANA to canon-bjnp3 (Canon BJNP Port 3).

8613

How canon-bjnp3 works

Other services
client:8613canon-bjnp3response client:8613canon-bjnp3response

The client sends a request to port 8613 and the canon-bjnp3 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 8613 dangerous?

We have no specific security note for port 8613. 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 8613

ServicePortTransportDescriptionReferenceUpdated
canon-bjnp3 8613 TCP, UDP Canon BJNP Port 3 - 2003-11

// source: IANA service name and port number registry

03 Check it

Which program uses port 8613, and is it reachable?

Linux

sudo ss -ltnup 'sport = :8613'      # process listening on 8613
sudo lsof -nP -i :8613

macOS

sudo lsof -nP -i :8613

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8613 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 8613
netstat -ano | findstr :8613

From another machine

nmap -p 8613 -sV <host>
sudo nmap -sU -p 8613 <host>
nc -zv <host> 8613

Block it in the firewall

sudo ufw deny 8613/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 8613" -Direction Inbound -LocalPort 8613 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 8613 used for?

Port 8613 is assigned by IANA to canon-bjnp3 (Canon BJNP Port 3).

Is port 8613 TCP or UDP?

Port 8613 is registered for TCP and UDP.

Is it safe to open port 8613?

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 8613 is open?

On Linux run "ss -ltnup 'sport = :8613'", on macOS "lsof -nP -i :8613", and on Windows "netstat -ano | findstr :8613" to see the local process. From another machine, "nmap -p 8613 <host>" shows whether it is reachable.

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