Port 902 · VMware ESXi / vCenter

Port 902 is VMware ESXi / vCenter, TCP.

VMware vSphere — used by ESXi hosts to receive data from vCenter and for VM console traffic.

Palo Alto

Create the service object for this port, then allow the App-ID on it. Restricting the rule to the port's service object keeps the rule working on a non-default port and stops the App-ID matching on other ports. Replace the placeholders with your own rule name and zones.

set service tcp-902 protocol tcp port 902

set rulebase security rules <rule-name> from <from-zone> to <to-zone> source any destination any application vmware-vsphere service tcp-902 action allow

Risk and exposure

Rated medium risk. Restrict this port to the sources that need it and keep the service patched; avoid exposing it to the whole internet unless the service is meant to be public.

Check it

• Linux ss -tlnp | grep :902
• PowerShell Test-NetConnection <host> -Port 902
• nmap nmap -p 902 <host>

Related ports

• 443 HTTPS
• 8161 ActiveMQ Console

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