Palo Alto Networks maintains a Content Delivery Network
(CDN) infrastructure for delivering content updates to the Palo
Alto Networks firewalls. The firewalls access the web resources
in the CDN to perform various content and application identification
The following table lists the web resources that the firewall
accesses for a feature or application:
(If a static server is required)
a best practice, set the update server to updates.paloaltonetworks.com.
This allows the Palo Alto Networks firewall to receive content updates
from the server closest to it in the CDN infrastructure.
PAN-DB URL Filtering
to the primary URL s0000.urlcloud.paloaltonetworks.com and is then
redirected to the regional server that is closest:
Static IP addresses are not available. However,
you can manually resolve a URL to an IP address and allow access
to the regional server IP address.