Required ports for configuring an external firewall to allow ESX and vCenter Server traffic

You might be in a Scenario where in you would like to allow ESX and vCenter server to communication through firewall.

Below is the list of mandatory and optional ports needed to be opened on the Firewall.

You will have to contact your firewall administrator to get this done.

 

These ports are mandatory:

• 22 - SSH port
• 53 - DNS Quesry
• 80 - HTTP
• 902 - vCenter Server / VMware Infrastructure Client - UDP for ESX Heartbeat
• 903 - Remote Console
• 443 - Web Access
• 27000, 27010 - License Server

These ports are optional:

• 123 - NTP
• 161, 162 - SNMP
• 88 - Kerberos
• 464 - Active Directory
• 3260 - Software iSCSI