CyberHunter
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// Other services

Port 6071: SSDTP

Port 6071 is assigned by IANA to ssdtp (SSDTP).

6071

How ssdtp works

Other services
client:6071ssdtpresponse client:6071ssdtpresponse

The client sends a request to port 6071 and the ssdtp 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 6071 dangerous?

We have no specific security note for port 6071. 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 6071

ServicePortTransportDescriptionReferenceUpdated
ssdtp 6071 TCP, UDP SSDTP - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 6071, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6071'      # process listening on 6071
sudo lsof -nP -i :6071

macOS

sudo lsof -nP -i :6071

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6071 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6071
netstat -ano | findstr :6071

From another machine

nmap -p 6071 -sV <host>
sudo nmap -sU -p 6071 <host>
nc -zv <host> 6071

Block it in the firewall

sudo ufw deny 6071/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6071" -Direction Inbound -LocalPort 6071 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6071 used for?

Port 6071 is assigned by IANA to ssdtp (SSDTP).

Is port 6071 TCP or UDP?

Port 6071 is registered for TCP and UDP.

Is it safe to open port 6071?

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 6071 is open?

On Linux run "ss -ltnup 'sport = :6071'", on macOS "lsof -nP -i :6071", and on Windows "netstat -ano | findstr :6071" to see the local process. From another machine, "nmap -p 6071 <host>" shows whether it is reachable.

05 Related
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