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// Other services

Port 1108: ratio-adp

Port 1108 is assigned by IANA to ratio-adp (ratio-adp).

1108

How ratio-adp works

Other services
client:1108ratio-adpresponse client:1108ratio-adpresponse

The client sends a request to port 1108 and the ratio-adp 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 1108 dangerous?

We have no specific security note for port 1108. 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 1108

ServicePortTransportDescriptionReferenceUpdated
ratio-adp 1108 TCP, UDP ratio-adp - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1108, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1108'      # process listening on 1108
sudo lsof -nP -i :1108

macOS

sudo lsof -nP -i :1108

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1108 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1108
netstat -ano | findstr :1108

From another machine

nmap -p 1108 -sV <host>
sudo nmap -sU -p 1108 <host>
nc -zv <host> 1108

Block it in the firewall

sudo ufw deny 1108/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1108" -Direction Inbound -LocalPort 1108 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1108 used for?

Port 1108 is assigned by IANA to ratio-adp (ratio-adp).

Is port 1108 TCP or UDP?

Port 1108 is registered for TCP and UDP.

Is it safe to open port 1108?

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 1108 is open?

On Linux run "ss -ltnup 'sport = :1108'", on macOS "lsof -nP -i :1108", and on Windows "netstat -ano | findstr :1108" to see the local process. From another machine, "nmap -p 1108 <host>" shows whether it is reachable.

05 Related
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