CyberHunter
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// Other services

Port 4070: Trivial IP Encryption (TrIPE)

Port 4070 is assigned by IANA to tripe (Trivial IP Encryption (TrIPE)).

4070

How tripe works

Other services
client:4070triperesponse client:4070triperesponse

The client sends a request to port 4070 and the tripe 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 4070 dangerous?

We have no specific security note for port 4070. 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 4070

ServicePortTransportDescriptionReferenceUpdated
tripe 4070 TCP, UDP Trivial IP Encryption (TrIPE) - 2007-07-10

// source: IANA service name and port number registry

03 Check it

Which program uses port 4070, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4070'      # process listening on 4070
sudo lsof -nP -i :4070

macOS

sudo lsof -nP -i :4070

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4070 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4070
netstat -ano | findstr :4070

From another machine

nmap -p 4070 -sV <host>
sudo nmap -sU -p 4070 <host>
nc -zv <host> 4070

Block it in the firewall

sudo ufw deny 4070/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4070" -Direction Inbound -LocalPort 4070 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4070 used for?

Port 4070 is assigned by IANA to tripe (Trivial IP Encryption (TrIPE)).

Is port 4070 TCP or UDP?

Port 4070 is registered for TCP and UDP.

Is it safe to open port 4070?

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 4070 is open?

On Linux run "ss -ltnup 'sport = :4070'", on macOS "lsof -nP -i :4070", and on Windows "netstat -ano | findstr :4070" to see the local process. From another machine, "nmap -p 4070 <host>" shows whether it is reachable.

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