This is not part of the course, but noted from my own experience Important INBOUND Rules Type Protocol Port Range Source Rule Note All Traffic ALL ALL 10.0.0.0/16 Allow Accept all communications from any resource on the VPC All ICMP ICMP ALL 0.0.0.0/0 Allow Ping SSH TCP 22 0.0.0.0/0 Allow SSH Access HTTP TCP 80 ..
Category : Networking
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2801642?start=0 http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Security.html Security Group Network ACL Operates at the instance level (first layer of defense) Operates at the subnet level (second layer of defense) Supports allow rules only Supports allow rules and deny rules Is stateful: Return traffic is automatically allowed, regardless of any rules Is stateless: Return traffic must be explicitly allowed by rules ..
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