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// Other services

Port 6086: PDTP P2P

Port 6086 is assigned by IANA to pdtp (PDTP P2P).

6086

How pdtp works

Other services
client:6086pdtpresponse client:6086pdtpresponse

The client sends a request to port 6086 and the pdtp 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 6086 dangerous?

We have no specific security note for port 6086. 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 6086

ServicePortTransportDescriptionReferenceUpdated
pdtp 6086 TCP, UDP PDTP P2P - 2006-03

// source: IANA service name and port number registry

03 Check it

Which program uses port 6086, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6086'      # process listening on 6086
sudo lsof -nP -i :6086

macOS

sudo lsof -nP -i :6086

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6086 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6086
netstat -ano | findstr :6086

From another machine

nmap -p 6086 -sV <host>
sudo nmap -sU -p 6086 <host>
nc -zv <host> 6086

Block it in the firewall

sudo ufw deny 6086/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6086" -Direction Inbound -LocalPort 6086 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6086 used for?

Port 6086 is assigned by IANA to pdtp (PDTP P2P).

Is port 6086 TCP or UDP?

Port 6086 is registered for TCP and UDP.

Is it safe to open port 6086?

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 6086 is open?

On Linux run "ss -ltnup 'sport = :6086'", on macOS "lsof -nP -i :6086", and on Windows "netstat -ano | findstr :6086" to see the local process. From another machine, "nmap -p 6086 <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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