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Port 5232 (csedaemon)

IANA assigns port 5232 to csedaemon: Cruse Scanning System Service.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
csedaemon TCP Cruse Scanning System Service Christof J Reetz -

Registry dates for this port: registered 2011-03-09.

Check what is listening on port 5232

Linux: is anything listening on TCP 5232?
sudo ss -tlnp 'sport = :5232'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5232
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5232 '
Windows (Command Prompt)
netstat -ano | findstr :5232
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5232 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5232
From Windows
Test-NetConnection HOST -Port 5232

Block port 5232 in the firewall

ufw
sudo ufw deny 5232/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5232 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5232 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5232' -Direction Inbound -Protocol TCP -LocalPort 5232 -Action Block

Related ports

5230jaxflow-data5231crusecontrol5233enfs5234eenet

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