As part of our continued efforts to improve Oracle Cloud Infrastructure and Services, the Oracle Cloud Infrastructure Networking team will be performing planned maintenance on OCI Web Application Firewall (WAF). It is important that you add to the whitelist the newly added subnets listed below:
These IP ranges will expand the existing source ranges for requests originating from the Web Application Firewall (WAF) to your origin. Failure to whitelist these additional subnets at your origin before May 4th, 2021 may result in an impact to any traffic/services routing requests to your origin(s) via the Web Application Firewall service.
Starting May 4th, 2021 all web applications will have their traffic routed through this expanded infrastructure.
How will this affect my service?
There may be an impact on traffic/services from WAF to your origin if the subnets are not whitelisted on your end after May 4th, 2021.
What action do I need to take?
Configure your servers to accept connections from the CIDR ranges listed in the "Securing Your WAF" section of the following document:https://docs.oracle.com/en-us/iaas/Content/WAF/Concepts/gettingstarted.htm
Customers with questions or concerns are encouraged to reach out to our Support team.
Apr 19, 16:57 UTC