How to block DNS exfiltration on Google Cloud
Xebia
MARCH 29, 2023
Securing your cloud network (VPC) using firewall rules is common practice. Google Cloud firewall rules however do not apply to Cloud DNS calls made from the metadata server. In this blog I’ll share how that happens and what you can do about it. my-evil-domain.com a0123zz cloud 04.my-evil-domain.com
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