Configure Services for Global and Virtual Systems

On a firewall where multiple virtual systems are enabled, select Services to display the Global and Virtual Systems tabs where you set services that the firewall or its virtual systems, respectively, use to operate efficiently. (If the firewall is a single virtual system or if multiple virtual systems are disabled, the Virtual Systems tab is not shown.)
Select Global to set services for the whole firewall. These settings are also used as the default values for virtual systems that do not have a customized setting for a service.
  • Edit Services to define the destination IP addresses of DNS servers, the Update Server, and the Proxy Server. Use the dedicated NTP tab to configure Network Time Protocol settings. See Table 12 for field descriptions of the available Services options.
  • In Service Features, click Service Route Configuration to specify how the firewall will communicate with other servers/devices for services such as DNS, email, LDAP, RADIUS, syslog, and many more. There are two ways to configure global service routes:
    • The Use Management Interface for all option will force all firewall service communications with external servers through the management interface (MGT). If you select this option, you must configure the MGT interface to allow communications between the firewall and the servers/devices that provide services. To configure the MGT interface, select Device > Setup > Management and edit the settings.
    • The Customize option allows you granular control over service communication by configuring a specific source interface and IP address that the service will use as the destination interface and destination IP address in its response. (For example, you could configure a specific source IP/ interface for all email communication between the firewall and an email server, and use a different source IP/interface for Palo Alto Networks Services.) Select the one or more services you want to customize to have the same settings and click Set Selected Service Routes. The services are listed in Table 13, which indicates whether a service can be configured for the Global firewall or Virtual Systems, and whether the service supports an IPv4 and/or IPv6 source address.
The Destination tab is another Global service route feature that you can customize. This tab appears in the Service Route Configuration window and is described in Destination Service Route.
Use the Virtual Systems tab to specify service routes for a single virtual system. Select a Location (virtual system) and click Service Route Configuration. Select Inherit Global Service Route Configuration or Customizeservice routes for a virtual system. If you choose to customize settings, select IPv4 or IPv6. Select the one or more services you want to customize to have the same settings and click Set Selected Service Routes. See Table 13 for services that can be customized.
To control and redirect DNS queries between shared and specific virtual systems, you can use a DNS proxy and a DNS Server profile.

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