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// Other services

Port 130: cisco FNATIVE

Port 130 is assigned by IANA to cisco-fna (cisco FNATIVE).

130

How cisco-fna works

Other services
client:130cisco-fnaresponse client:130cisco-fnaresponse

The client sends a request to port 130 and the cisco-fna 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
Well-known (0-1023)
Category
Other services
01 Security

Is port 130 dangerous?

We have no specific security note for port 130. 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 130

ServicePortTransportDescriptionReferenceUpdated
cisco-fna 130 TCP, UDP cisco FNATIVE - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 130, and is it reachable?

Linux

sudo ss -ltnup 'sport = :130'      # process listening on 130
sudo lsof -nP -i :130

macOS

sudo lsof -nP -i :130

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 130 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 130
netstat -ano | findstr :130

From another machine

nmap -p 130 -sV <host>
sudo nmap -sU -p 130 <host>
nc -zv <host> 130

Block it in the firewall

sudo ufw deny 130/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 130" -Direction Inbound -LocalPort 130 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 130 used for?

Port 130 is assigned by IANA to cisco-fna (cisco FNATIVE).

Is port 130 TCP or UDP?

Port 130 is registered for TCP and UDP.

Is it safe to open port 130?

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 130 is open?

On Linux run "ss -ltnup 'sport = :130'", on macOS "lsof -nP -i :130", and on Windows "netstat -ano | findstr :130" to see the local process. From another machine, "nmap -p 130 <host>" shows whether it is reachable.

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