Domain 3: Deployment, Provision and Automation Flashcards
Bastion Host Tips
Connect to Private Instances. A bastion host enables you to connect to private instances in your VPC from an unstrusted network using SSH or RDP.
. A bastion host is in a public subnet and is reachable from the internet.
. You need to configure the security group associated with the private subnet to enable SSH / RDP access from the bastion
EC2 Image Builder
. Automates the process of creating and maintaining AMI and Container Images.
. Select a base OS image, customize by adding software, test, and distribute to your chosen region.
Load Balancers
.Application Load Balancers: HTTP/HTTPS. Intelligent load balancing. Route requests to a specific web server based on the type of the request.
. Network load balancer: It provides high-performance balancing TCP traffic.
. Classic load balancer: The legacy option that supports both HTTP/HTTPS and TCP.
. Gateway Load Balancer: Provides load balancing for third-party virtual appliances, like firewalls, intrusion detection and Prevention Systems.
. X-Forwarded-For: if you need the IPV4 address of your and user, look for the X-Forwarded-For header.