CyberHunter
Local dataset, no network
// Other services

Port 10548: Apple Document Sharing Service

Port 10548 is assigned by IANA to serverdocs (Apple Document Sharing Service).

10548

How serverdocs works

Other services
client:10548serverdocsresponse client:10548serverdocsresponse

The client sends a request to port 10548 and the serverdocs 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)
01 Security

Is port 10548 dangerous?

We have no specific security note for port 10548. 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 10548

ServicePortTransportDescriptionReferenceUpdated
serverdocs 10548 TCP Apple Document Sharing Service - 2015-09-29
-10548-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 10548, and is it reachable?

Linux

sudo ss -ltnup 'sport = :10548'      # process listening on 10548
sudo lsof -nP -i :10548

macOS

sudo lsof -nP -i :10548

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 10548 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 10548
netstat -ano | findstr :10548

From another machine

nmap -p 10548 -sV <host>
nc -zv <host> 10548

Block it in the firewall

sudo ufw deny 10548/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 10548" -Direction Inbound -LocalPort 10548 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 10548 used for?

Port 10548 is assigned by IANA to serverdocs (Apple Document Sharing Service).

Is port 10548 TCP or UDP?

Port 10548 is registered for TCP.

Is it safe to open port 10548?

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 10548 is open?

On Linux run "ss -ltnup 'sport = :10548'", on macOS "lsof -nP -i :10548", and on Windows "netstat -ano | findstr :10548" to see the local process. From another machine, "nmap -p 10548 <host>" shows whether it is reachable.

05 Related

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