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// Other services

Port 5674: HyperSCSI Port

Port 5674 is assigned by IANA to hyperscsi-port (HyperSCSI Port).

5674

How hyperscsi-port works

Other services
client:5674hyperscsi-portresponse client:5674hyperscsi-portresponse

The client sends a request to port 5674 and the hyperscsi-port 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 5674 dangerous?

We have no specific security note for port 5674. 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 5674

ServicePortTransportDescriptionReferenceUpdated
hyperscsi-port 5674 TCP, UDP HyperSCSI Port - 2002-02

// source: IANA service name and port number registry

03 Check it

Which program uses port 5674, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5674'      # process listening on 5674
sudo lsof -nP -i :5674

macOS

sudo lsof -nP -i :5674

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5674 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5674
netstat -ano | findstr :5674

From another machine

nmap -p 5674 -sV <host>
sudo nmap -sU -p 5674 <host>
nc -zv <host> 5674

Block it in the firewall

sudo ufw deny 5674/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5674" -Direction Inbound -LocalPort 5674 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5674 used for?

Port 5674 is assigned by IANA to hyperscsi-port (HyperSCSI Port).

Is port 5674 TCP or UDP?

Port 5674 is registered for TCP and UDP.

Is it safe to open port 5674?

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 5674 is open?

On Linux run "ss -ltnup 'sport = :5674'", on macOS "lsof -nP -i :5674", and on Windows "netstat -ano | findstr :5674" to see the local process. From another machine, "nmap -p 5674 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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