What is Security Groups and Difference between Security Groups And NACL-Aws Blog Info
It adds a security layer to EC2 instances that control both inbound and outbound traffic at the instance level. What is NACL? NACL also adds an additional layer of security associated with subnets that control both inbound and outbound traffic at the subnet level. Combining Security Group and NACL Maximum number of rules that exist per NACL: 20 Maximum number of rules that can exist per Security Group: 50 Maximum number of Security Groups that can exist per instance: 5 Maximum number of rules that can exist per instance: 5*50 + 20 = 270 Differences b/w Security Group and NACL Security Group NACL (Network Access Control List) It supports only allow rules, and by default, all the rules are denied. You cannot deny the rule for establishing a connection. It supports both allow and deny rules, and by default, all the rules are denied. You need to add the rule which you can either allow or deny it. It is a stateful means that any changes made in the inbound...