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Port 6628 (afesc-mc)

IANA assigns port 6628 to afesc-mc: AFE Stock Channel M/C.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
afesc-mc TCP AFE Stock Channel M/C K K Ho -
afesc-mc UDP AFE Stock Channel M/C K K Ho -

Registry dates for this port: registered 2004-04.

Check what is listening on port 6628

Linux: is anything listening on TCP 6628?
sudo ss -tlnp 'sport = :6628'
Linux: UDP 6628
sudo ss -ulnp 'sport = :6628'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6628
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6628 '
Windows (Command Prompt)
netstat -ano | findstr :6628
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6628 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6628
From Windows
Test-NetConnection HOST -Port 6628
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6628

Block port 6628 in the firewall

ufw
sudo ufw deny 6628/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6628 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6628 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6628' -Direction Inbound -Protocol TCP -LocalPort 6628 -Action Block
ufw
sudo ufw deny 6628/udp
iptables
sudo iptables -A INPUT -p udp --dport 6628 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6628 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6628' -Direction Inbound -Protocol UDP -LocalPort 6628 -Action Block

Related ports

6626wago-service6627nexgen6629nexgen-aux6632mxodbc-connect

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