Microsoft has announced new enhancements to Advanced Container Networking Services for Azure Kubernetes Service (AKS), focusing on improved security features and advanced observability capabilities. These enhancements empower organizations to more effectively manage, secure, and protect their containerized applications.
One of the key additions to ACNS is the introduction of Fully Qualified Domain Name (FQDN) filtering. This feature enables organizations to strengthen security policies by allowing or blocking traffic based on domain names instead of IP addresses. This is particularly beneficial in dynamic container environments where IP addresses can change frequently, making it challenging to manage IP-based security rules.
To complement FQDN filtering, ACNS also introduces a highly available (HA) DNS proxy. The HA DNS proxy ensures that DNS resolution continues seamlessly, even if one of the ACNS components experiences a failure. This means that FQDN-based security policies remain effective and are reliably enforced, providing an additional layer of protection against potential network outages.
Together, these features offer a robust and resilient solution for securing container environments. By simplifying security policy management and enhancing the reliability of policy enforcement, ACNS allows organizations to focus on innovation and rapid application delivery while ensuring that their applications remain secure and protected.
Overall, the enhancements to Advanced Container Networking Services represent a significant step forward in enhancing the security and observability of containerized applications in Azure. By providing deep insights into network traffic and offering advanced security features, ACNS enables organizations to manage their container environments with confidence, minimize risks, and improve performance.