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Port 5229 (jaxflow)

IANA assigns port 5229 to jaxflow: Netflow/IPFIX/sFlow Collector and Forwarder Management.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
jaxflow TCP Netflow/IPFIX/sFlow Collector and Forwarder Management JaxMP -

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

Check what is listening on port 5229

Linux: is anything listening on TCP 5229?
sudo ss -tlnp 'sport = :5229'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5229
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5229 '
Windows (Command Prompt)
netstat -ano | findstr :5229
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5229 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5229
From Windows
Test-NetConnection HOST -Port 5229

Block port 5229 in the firewall

ufw
sudo ufw deny 5229/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5229 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5229 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5229' -Direction Inbound -Protocol TCP -LocalPort 5229 -Action Block

Related ports

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