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// Other services

Port 4417: Workflow Director Communication

Port 4417 is assigned by IANA to workflowdir (Workflow Director Communication).

4417

How workflowdir works

Other services
client:4417workflowdirresponse client:4417workflowdirresponse

The client sends a request to port 4417 and the workflowdir service answers.

Transport
TCP
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 4417 dangerous?

We have no specific security note for port 4417. 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 4417

ServicePortTransportDescriptionReferenceUpdated
workflowdir 4417 TCP Workflow Director Communication - 2015-12-11
-4417-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 4417, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4417'      # process listening on 4417
sudo lsof -nP -i :4417

macOS

sudo lsof -nP -i :4417

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4417 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4417
netstat -ano | findstr :4417

From another machine

nmap -p 4417 -sV <host>
nc -zv <host> 4417

Block it in the firewall

sudo ufw deny 4417/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4417" -Direction Inbound -LocalPort 4417 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4417 used for?

Port 4417 is assigned by IANA to workflowdir (Workflow Director Communication).

Is port 4417 TCP or UDP?

Port 4417 is registered for TCP.

Is it safe to open port 4417?

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 4417 is open?

On Linux run "ss -ltnup 'sport = :4417'", on macOS "lsof -nP -i :4417", and on Windows "netstat -ano | findstr :4417" to see the local process. From another machine, "nmap -p 4417 <host>" shows whether it is reachable.

05 Related
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