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Port 37483 (gdrive-sync)

IANA assigns port 37483 to gdrive-sync: Google Drive Sync.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
gdrive-sync TCP Google Drive Sync Google Inc -

Registry dates for this port: registered 2013-02-01, last modified 2015-07-31.

Check what is listening on port 37483

Linux: is anything listening on TCP 37483?
sudo ss -tlnp 'sport = :37483'
Linux / macOS: which process owns the port
sudo lsof -nP -i :37483
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':37483 '
Windows (Command Prompt)
netstat -ano | findstr :37483
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 37483 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 37483
From Windows
Test-NetConnection HOST -Port 37483

Block port 37483 in the firewall

ufw
sudo ufw deny 37483/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 37483 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 37483 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 37483' -Direction Inbound -Protocol TCP -LocalPort 37483 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.