HTTPfy

Port 3562 (sdbproxy)

IANA assigns port 3562 to sdbproxy: SDBProxy.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sdbproxy TCP SDBProxy Eric Grange -
sdbproxy UDP SDBProxy Eric Grange -

Registry dates for this port: registered 2002-08.

Check what is listening on port 3562

Linux: is anything listening on TCP 3562?
sudo ss -tlnp 'sport = :3562'
Linux: UDP 3562
sudo ss -ulnp 'sport = :3562'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3562
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3562 '
Windows (Command Prompt)
netstat -ano | findstr :3562
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3562 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3562
From Windows
Test-NetConnection HOST -Port 3562
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3562

Block port 3562 in the firewall

ufw
sudo ufw deny 3562/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3562 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3562 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3562' -Direction Inbound -Protocol TCP -LocalPort 3562 -Action Block
ufw
sudo ufw deny 3562/udp
iptables
sudo iptables -A INPUT -p udp --dport 3562 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3562 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3562' -Direction Inbound -Protocol UDP -LocalPort 3562 -Action Block

Related ports

3560iniserve-port3561bmc-onekey3563watcomdebug3564esimport

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.