CyberHunter
Local dataset, no network
// Other services

Port 7165: Document WCF Server

Port 7165 is assigned by IANA to doc-server (Document WCF Server).

7165

How doc-server works

Other services
client:7165doc-serverresponse client:7165doc-serverresponse

The client sends a request to port 7165 and the doc-server 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 7165 dangerous?

We have no specific security note for port 7165. 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 7165

ServicePortTransportDescriptionReferenceUpdated
doc-server 7165 TCP, UDP Document WCF Server - 2008-01-07

// source: IANA service name and port number registry

03 Check it

Which program uses port 7165, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7165'      # process listening on 7165
sudo lsof -nP -i :7165

macOS

sudo lsof -nP -i :7165

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7165 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7165
netstat -ano | findstr :7165

From another machine

nmap -p 7165 -sV <host>
sudo nmap -sU -p 7165 <host>
nc -zv <host> 7165

Block it in the firewall

sudo ufw deny 7165/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7165" -Direction Inbound -LocalPort 7165 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7165 used for?

Port 7165 is assigned by IANA to doc-server (Document WCF Server).

Is port 7165 TCP or UDP?

Port 7165 is registered for TCP and UDP.

Is it safe to open port 7165?

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 7165 is open?

On Linux run "ss -ltnup 'sport = :7165'", on macOS "lsof -nP -i :7165", and on Windows "netstat -ano | findstr :7165" to see the local process. From another machine, "nmap -p 7165 <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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