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Port 8793 (acd-pm)

IANA assigns port 8793 to acd-pm: Accedian Performance Measurement.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
acd-pm TCP Accedian Performance Measurement Marco Mascitto -
acd-pm UDP Accedian Performance Measurement Marco Mascitto -

Check what is listening on port 8793

Linux: is anything listening on TCP 8793?
sudo ss -tlnp 'sport = :8793'
Linux: UDP 8793
sudo ss -ulnp 'sport = :8793'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8793
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8793 '
Windows (Command Prompt)
netstat -ano | findstr :8793
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8793 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8793
From Windows
Test-NetConnection HOST -Port 8793
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8793

Block port 8793 in the firewall

ufw
sudo ufw deny 8793/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8793 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8793 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8793' -Direction Inbound -Protocol TCP -LocalPort 8793 -Action Block
ufw
sudo ufw deny 8793/udp
iptables
sudo iptables -A INPUT -p udp --dport 8793 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8793 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8793' -Direction Inbound -Protocol UDP -LocalPort 8793 -Action Block

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