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// Other services

Port 10104: Systemwalker Desktop Patrol

Port 10104 is assigned by IANA to swdtp (Systemwalker Desktop Patrol).

10104

How swdtp works

Other services
client:10104swdtpresponse client:10104swdtpresponse

The client sends a request to port 10104 and the swdtp 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 10104 dangerous?

We have no specific security note for port 10104. 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 10104

ServicePortTransportDescriptionReferenceUpdated
swdtp 10104 TCP, UDP Systemwalker Desktop Patrol - 2006-09

// source: IANA service name and port number registry

03 Check it

Which program uses port 10104, and is it reachable?

Linux

sudo ss -ltnup 'sport = :10104'      # process listening on 10104
sudo lsof -nP -i :10104

macOS

sudo lsof -nP -i :10104

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 10104 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 10104
netstat -ano | findstr :10104

From another machine

nmap -p 10104 -sV <host>
sudo nmap -sU -p 10104 <host>
nc -zv <host> 10104

Block it in the firewall

sudo ufw deny 10104/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 10104" -Direction Inbound -LocalPort 10104 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 10104 used for?

Port 10104 is assigned by IANA to swdtp (Systemwalker Desktop Patrol).

Is port 10104 TCP or UDP?

Port 10104 is registered for TCP and UDP.

Is it safe to open port 10104?

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 10104 is open?

On Linux run "ss -ltnup 'sport = :10104'", on macOS "lsof -nP -i :10104", and on Windows "netstat -ano | findstr :10104" to see the local process. From another machine, "nmap -p 10104 <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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