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// Other services

Port 37483: Google Drive Sync

Port 37483 is assigned by IANA to gdrive-sync (Google Drive Sync).

37483

How gdrive-sync works

Other services
client:37483gdrive-syncresponse client:37483gdrive-syncresponse

The client sends a request to port 37483 and the gdrive-sync 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 37483 dangerous?

We have no specific security note for port 37483. 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 37483

ServicePortTransportDescriptionReferenceUpdated
gdrive-sync 37483 TCP Google Drive Sync - 2015-07-31
-37483-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 37483, and is it reachable?

Linux

sudo ss -ltnup 'sport = :37483'      # process listening on 37483
sudo lsof -nP -i :37483

macOS

sudo lsof -nP -i :37483

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 37483 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 37483
netstat -ano | findstr :37483

From another machine

nmap -p 37483 -sV <host>
nc -zv <host> 37483

Block it in the firewall

sudo ufw deny 37483/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 37483" -Direction Inbound -LocalPort 37483 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 37483 used for?

Port 37483 is assigned by IANA to gdrive-sync (Google Drive Sync).

Is port 37483 TCP or UDP?

Port 37483 is registered for TCP.

Is it safe to open port 37483?

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 37483 is open?

On Linux run "ss -ltnup 'sport = :37483'", on macOS "lsof -nP -i :37483", and on Windows "netstat -ano | findstr :37483" to see the local process. From another machine, "nmap -p 37483 <host>" shows whether it is reachable.

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