Port 5230 (jaxflow-data)

IANA assigns port 5230 to jaxflow-data: JaxMP RealFlow application and protocol data.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

jaxflow-data TCP JaxMP RealFlow application and protocol data JaxMP -

Registry dates for this port: registered 2014-08-15.

Linux: is anything listening on TCP 5230?

sudo ss -tlnp 'sport = :5230'

Linux / macOS: which process owns the port

sudo lsof -nP -i :5230

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':5230 '

Windows (Command Prompt)

netstat -ano | findstr :5230

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5230 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 5230

From Windows

Test-NetConnection HOST -Port 5230

ufw

sudo ufw deny 5230/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 5230 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 5230 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 5230' -Direction Inbound -Protocol TCP -LocalPort 5230 -Action Block

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