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Port 9444 (wso2esb-console)

IANA assigns port 9444 to wso2esb-console: WSO2 ESB Administration Console HTTPS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
wso2esb-console TCP WSO2 ESB Administration Console HTTPS Ruwan Linton -
wso2esb-console UDP WSO2 ESB Administration Console HTTPS Ruwan Linton -

Registry dates for this port: registered 2008-08-20.

Check what is listening on port 9444

Linux: is anything listening on TCP 9444?
sudo ss -tlnp 'sport = :9444'
Linux: UDP 9444
sudo ss -ulnp 'sport = :9444'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9444
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9444 '
Windows (Command Prompt)
netstat -ano | findstr :9444
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9444 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9444
From Windows
Test-NetConnection HOST -Port 9444
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9444

Block port 9444 in the firewall

ufw
sudo ufw deny 9444/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9444 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9444 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9444' -Direction Inbound -Protocol TCP -LocalPort 9444 -Action Block
ufw
sudo ufw deny 9444/udp
iptables
sudo iptables -A INPUT -p udp --dport 9444 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9444 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9444' -Direction Inbound -Protocol UDP -LocalPort 9444 -Action Block

Related ports

9418Git protocol9443HTTPS alternate / Portainer9445mindarray-ca9450sntlkeyssrvr

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.