Istio Security Essentials: Authorization, Headers, and mTLS
In part 3 of this introductory series, we look at the essentials of Istio security with a deeper look at authorization policies, learn header-based access controls, and enable mutual TLS for enhanced service-to-service communication.
Workaround for instances with networking bug on Ubuntu 18.04
We recently discovered a bug on instances launched with the Ubuntu 18.04 image. This bug is caused by the new networking configuration abstraction renderer called Netplan that is used by default in Bionic.
Resolve networking issues when restoring a snapshot from the old-style networking to the new-style setup. Follow our guide to make necessary changes to network files for proper routing on the new instance.