From the course: Certified Kubernetes Security Specialist (CKS) Cert Prep
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Finding open ports - Kubernetes Tutorial
From the course: Certified Kubernetes Security Specialist (CKS) Cert Prep
Finding open ports
- Controlling access to Kubernetes means being able to manage all the various open ports that you might have on the system. Now this is very similar to what you do when you're protecting your home. You're looking for all the doors, the windows, you want to make sure things are closed that are supposed to be closed, and that you have the ability to be able to open certain aspects of it to kind of control the flow. Same concepts here, when we're dealing with Kubernetes. And to do that, there's a number of different commands that we can use. The first is the ss command. The ss command is a replacement for netstat. It's very similar, as far as the command line flags, and all the various components that you're familiar with, with netstat, but it's a little bit easier to read and it's the more modern way of being able to get this information. So this particular one, again, will give you that list of open ports. To be able to find what services and user accounts are tied to those open ports,…
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Contents
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Module 3: Cluster hardening introduction37s
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Learning objectives33s
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Kubernetes API fundamentals6m 31s
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Kubernetes access control10m 44s
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API server configuration11m 38s
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API server hardening13m 6s
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Verify access control policies13m 37s
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Module 6: Software supply chain security introduction40s
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Learning objectives35s
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Software supply chain risks9m 25s
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Protect image registry access5m 36s
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Require signed images14m 22s
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Policy enforcement: Image policy webhook21m 28s
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Policy enforcement: Validating admission policy8m 55s
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Learning objectives47s
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Understanding syscall behavioral analysis12m 28s
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Using Falco for threat detection7m 14s
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Falco host installation14m
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Falco Kubernetes installation13m 51s
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Falco configuration and rules7m 42s
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Falco custom rules in action19m 17s
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Module 8: Exam practice scenarios introduction42s
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Learning objectives52s
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Securing Kubernetes API access12m 37s
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Implementing pod security standards (PSS)11m 43s
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Enforcing network policies for pod communication12m 27s
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Restricting image registries11m 7s
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Configuring secret encryption12m 32s
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