CyberHunter
Local dataset, no network
// Other services

Port 2613: SMNTUBootstrap

Port 2613 is assigned by IANA to smntubootstrap (SMNTUBootstrap).

2613

How smntubootstrap works

Other services
client:2613smntubootstrapresponse client:2613smntubootstrapresponse

The client sends a request to port 2613 and the smntubootstrap 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 2613 dangerous?

We have no specific security note for port 2613. 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 2613

ServicePortTransportDescriptionReferenceUpdated
smntubootstrap 2613 TCP, UDP SMNTUBootstrap - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2613, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2613'      # process listening on 2613
sudo lsof -nP -i :2613

macOS

sudo lsof -nP -i :2613

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2613 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2613
netstat -ano | findstr :2613

From another machine

nmap -p 2613 -sV <host>
sudo nmap -sU -p 2613 <host>
nc -zv <host> 2613

Block it in the firewall

sudo ufw deny 2613/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2613" -Direction Inbound -LocalPort 2613 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2613 used for?

Port 2613 is assigned by IANA to smntubootstrap (SMNTUBootstrap).

Is port 2613 TCP or UDP?

Port 2613 is registered for TCP and UDP.

Is it safe to open port 2613?

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 2613 is open?

On Linux run "ss -ltnup 'sport = :2613'", on macOS "lsof -nP -i :2613", and on Windows "netstat -ano | findstr :2613" to see the local process. From another machine, "nmap -p 2613 <host>" shows whether it is reachable.

05 Related
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