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// Other services

Port 11105: NetApp Intercluster Data

Port 11105 is assigned by IANA to netapp-icdata (NetApp Intercluster Data).

11105

How netapp-icdata works

Other services
client:11105netapp-icdataresponse client:11105netapp-icdataresponse

The client sends a request to port 11105 and the netapp-icdata 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 11105 dangerous?

We have no specific security note for port 11105. 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 11105

ServicePortTransportDescriptionReferenceUpdated
netapp-icdata 11105 TCP NetApp Intercluster Data - 2010-07-06
-11105-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 11105, and is it reachable?

Linux

sudo ss -ltnup 'sport = :11105'      # process listening on 11105
sudo lsof -nP -i :11105

macOS

sudo lsof -nP -i :11105

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 11105 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 11105
netstat -ano | findstr :11105

From another machine

nmap -p 11105 -sV <host>
nc -zv <host> 11105

Block it in the firewall

sudo ufw deny 11105/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 11105" -Direction Inbound -LocalPort 11105 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 11105 used for?

Port 11105 is assigned by IANA to netapp-icdata (NetApp Intercluster Data).

Is port 11105 TCP or UDP?

Port 11105 is registered for TCP.

Is it safe to open port 11105?

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 11105 is open?

On Linux run "ss -ltnup 'sport = :11105'", on macOS "lsof -nP -i :11105", and on Windows "netstat -ano | findstr :11105" to see the local process. From another machine, "nmap -p 11105 <host>" shows whether it is reachable.

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