HTTPfy

Port 9630 (peoctlr)

IANA assigns port 9630 to peoctlr: Peovica Controller.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
peoctlr TCP Peovica Controller Adrian Hungate -

Registry dates for this port: registered 2009-09-14.

Check what is listening on port 9630

Linux: is anything listening on TCP 9630?
sudo ss -tlnp 'sport = :9630'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9630
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9630 '
Windows (Command Prompt)
netstat -ano | findstr :9630
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9630 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9630
From Windows
Test-NetConnection HOST -Port 9630

Block port 9630 in the firewall

ufw
sudo ufw deny 9630/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9630 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9630 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9630' -Direction Inbound -Protocol TCP -LocalPort 9630 -Action Block

Related ports

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