AGAkshay Ghanwatintesttwist.hashnode.dev·Mar 15 · 1 min readAWS NWD10: Operating System and ApplicationInside Amazon EC2, once the Security Group allows the traffic, AWS networking is finished and the packet is delivered to the instance's operating system. What Happens Next 1. OS Firewall The operatin00
AGAkshay Ghanwatintesttwist.hashnode.dev·Mar 15 · 2 min readAWS NWD9: Security GroupA Security Group is a virtual firewall attached to the instance network interface in Amazon EC2. It decides whether the traffic reaching the instance should be allowed or blocked. What Security Group00
AGAkshay Ghanwatintesttwist.hashnode.dev·Mar 15 · 1 min readAWS NWD8: Elastic network interface(ENI)An ENI is the virtual network card attached to an instance in Amazon EC2. Just like your laptop has a network adapter, every EC2 instance has an ENI that allows it to communicate in the network. Insid00
AGAkshay Ghanwatintesttwist.hashnode.dev·Mar 15 · 3 min readAWS NWD7: Network ACLAfter the subnet, the next networking control that the packet encounters is the Network ACL. Inside Amazon Virtual Private Cloud, once the router determines which subnet the packet belongs to, the tra00
AGAkshay Ghanwatintesttwist.hashnode.dev·Mar 15 · 3 min readAWS NWD6: CIDRCIDR (Classless Inter-Domain Routing) CIDR is a method used to define IP address ranges for networks. It allows networks to be divided into smaller blocks for efficient IP allocation. CIDR notation lo00