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// Other services

Port 3088: eXtensible Data Transfer Protocol

Port 3088 is assigned by IANA to xdtp (eXtensible Data Transfer Protocol).

3088

How xdtp works

Other services
client:3088xdtpresponse client:3088xdtpresponse

The client sends a request to port 3088 and the xdtp 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 3088 dangerous?

We have no specific security note for port 3088. 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 3088

ServicePortTransportDescriptionReferenceUpdated
xdtp 3088 TCP, UDP eXtensible Data Transfer Protocol - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3088, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3088'      # process listening on 3088
sudo lsof -nP -i :3088

macOS

sudo lsof -nP -i :3088

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3088 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3088
netstat -ano | findstr :3088

From another machine

nmap -p 3088 -sV <host>
sudo nmap -sU -p 3088 <host>
nc -zv <host> 3088

Block it in the firewall

sudo ufw deny 3088/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3088" -Direction Inbound -LocalPort 3088 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3088 used for?

Port 3088 is assigned by IANA to xdtp (eXtensible Data Transfer Protocol).

Is port 3088 TCP or UDP?

Port 3088 is registered for TCP and UDP.

Is it safe to open port 3088?

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 3088 is open?

On Linux run "ss -ltnup 'sport = :3088'", on macOS "lsof -nP -i :3088", and on Windows "netstat -ano | findstr :3088" to see the local process. From another machine, "nmap -p 3088 <host>" shows whether it is reachable.

05 Related
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