HTTPfy

Port 7628 (zen-pawn)

IANA assigns port 7628 to zen-pawn: Primary Agent Work Notification.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
zen-pawn TCP Primary Agent Work Notification Ty Ellis -
zen-pawn UDP Primary Agent Work Notification Ty Ellis -

Registry dates for this port: registered 2006-05.

Check what is listening on port 7628

Linux: is anything listening on TCP 7628?
sudo ss -tlnp 'sport = :7628'
Linux: UDP 7628
sudo ss -ulnp 'sport = :7628'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7628
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7628 '
Windows (Command Prompt)
netstat -ano | findstr :7628
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7628 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7628
From Windows
Test-NetConnection HOST -Port 7628
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7628

Block port 7628 in the firewall

ufw
sudo ufw deny 7628/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7628 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7628 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7628' -Direction Inbound -Protocol TCP -LocalPort 7628 -Action Block
ufw
sudo ufw deny 7628/udp
iptables
sudo iptables -A INPUT -p udp --dport 7628 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7628 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7628' -Direction Inbound -Protocol UDP -LocalPort 7628 -Action Block

Related ports

7626simco, De-registered7627soap-http7629xdas7630hawk

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