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Port 12007 (accuracer)

IANA assigns port 12007 to accuracer: Accuracer Database System Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
accuracer TCP Accuracer Database System Server Alexander V Ivanov -
accuracer UDP Accuracer Database System Server Alexander V Ivanov -

Registry dates for this port: registered 2004-12.

Check what is listening on port 12007

Linux: is anything listening on TCP 12007?
sudo ss -tlnp 'sport = :12007'
Linux: UDP 12007
sudo ss -ulnp 'sport = :12007'
Linux / macOS: which process owns the port
sudo lsof -nP -i :12007
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':12007 '
Windows (Command Prompt)
netstat -ano | findstr :12007
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 12007 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 12007
From Windows
Test-NetConnection HOST -Port 12007
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 12007

Block port 12007 in the firewall

ufw
sudo ufw deny 12007/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 12007 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 12007 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 12007' -Direction Inbound -Protocol TCP -LocalPort 12007 -Action Block
ufw
sudo ufw deny 12007/udp
iptables
sudo iptables -A INPUT -p udp --dport 12007 -j DROP
nftables
sudo nft add rule inet filter input udp dport 12007 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 12007' -Direction Inbound -Protocol UDP -LocalPort 12007 -Action Block

Related ports

12005dbisamserver112006dbisamserver212008accuracer-dbms12009ghvpn

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