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Port 3824 (acp-policy)

IANA assigns port 3824 to acp-policy: Compute Pool Policy.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
acp-policy TCP Compute Pool Policy Andy Belk 2 -
acp-policy UDP Compute Pool Policy Andy Belk 2 -

Registry dates for this port: registered 2005-02.

Check what is listening on port 3824

Linux: is anything listening on TCP 3824?
sudo ss -tlnp 'sport = :3824'
Linux: UDP 3824
sudo ss -ulnp 'sport = :3824'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3824
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3824 '
Windows (Command Prompt)
netstat -ano | findstr :3824
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3824 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3824
From Windows
Test-NetConnection HOST -Port 3824
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3824

Block port 3824 in the firewall

ufw
sudo ufw deny 3824/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3824 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3824 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3824' -Direction Inbound -Protocol TCP -LocalPort 3824 -Action Block
ufw
sudo ufw deny 3824/udp
iptables
sudo iptables -A INPUT -p udp --dport 3824 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3824 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3824' -Direction Inbound -Protocol UDP -LocalPort 3824 -Action Block

Related ports

3822acp-discovery3823acp-conduit3825ffserver3826warmux

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