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// Other services

Port 413: Storage Management Services Protocol

Port 413 is assigned by IANA to smsp (Storage Management Services Protocol).

413

How smsp works

Other services
client:413smspresponse client:413smspresponse

The client sends a request to port 413 and the smsp 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 413 dangerous?

We have no specific security note for port 413. 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 413

ServicePortTransportDescriptionReferenceUpdated
smsp 413 TCP, UDP Storage Management Services Protocol - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 413, and is it reachable?

Linux

sudo ss -ltnup 'sport = :413'      # process listening on 413
sudo lsof -nP -i :413

macOS

sudo lsof -nP -i :413

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 413 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 413
netstat -ano | findstr :413

From another machine

nmap -p 413 -sV <host>
sudo nmap -sU -p 413 <host>
nc -zv <host> 413

Block it in the firewall

sudo ufw deny 413/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 413" -Direction Inbound -LocalPort 413 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 413 used for?

Port 413 is assigned by IANA to smsp (Storage Management Services Protocol).

Is port 413 TCP or UDP?

Port 413 is registered for TCP and UDP.

Is it safe to open port 413?

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 413 is open?

On Linux run "ss -ltnup 'sport = :413'", on macOS "lsof -nP -i :413", and on Windows "netstat -ano | findstr :413" to see the local process. From another machine, "nmap -p 413 <host>" shows whether it is reachable.

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