March 13, 2018

A Guide To Securing Docker and Kubernetes Containers With a Firewall

Before deploying any container-based applications, it’s crucial to first protect its security by ensuring a Docker, Kubernetes, or other container firewall is in place. There are two ways to implement your container firewall: manually or through the use of a commercial solution. However, manual firewall deployment is not recommended for Kubernetes-based container deployments. Regardless, with either strategy, creating a set of network firewall rules to safeguard your deployment is critical so that the containers are defended from unwanted access into your sensitive systems and data.

The accelerated discovery of new vulnerabilities and exploits reinforces the necessity of proper container security. The creativity of the hackers behind the Apache Struts, the Linux stack clash, and the dirty cow exploits – all made infamous by major data breaches and ransomware attacks – prove that businesses never know what is coming next. Furthermore, these attacks feature a sophistication that requires more than just vulnerability scanning and patching to address the threats.

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