CyberHunter
Local dataset, no network
// Other services

Port 9396: fjinvmgr

Port 9396 is assigned by IANA to fjinvmgr (fjinvmgr).

9396

How fjinvmgr works

Other services
client:9396fjinvmgrresponse client:9396fjinvmgrresponse

The client sends a request to port 9396 and the fjinvmgr 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 9396 dangerous?

We have no specific security note for port 9396. 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 9396

ServicePortTransportDescriptionReferenceUpdated
fjinvmgr 9396 TCP, UDP fjinvmgr - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 9396, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9396'      # process listening on 9396
sudo lsof -nP -i :9396

macOS

sudo lsof -nP -i :9396

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9396 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9396
netstat -ano | findstr :9396

From another machine

nmap -p 9396 -sV <host>
sudo nmap -sU -p 9396 <host>
nc -zv <host> 9396

Block it in the firewall

sudo ufw deny 9396/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9396" -Direction Inbound -LocalPort 9396 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9396 used for?

Port 9396 is assigned by IANA to fjinvmgr (fjinvmgr).

Is port 9396 TCP or UDP?

Port 9396 is registered for TCP and UDP.

Is it safe to open port 9396?

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 9396 is open?

On Linux run "ss -ltnup 'sport = :9396'", on macOS "lsof -nP -i :9396", and on Windows "netstat -ano | findstr :9396" to see the local process. From another machine, "nmap -p 9396 <host>" shows whether it is reachable.

05 Related
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