Archives for AWS - Page 9
AWS Generated Public DNS Hostnames
To get around the issue of the auto generated, looooong AWS hostnames: On your VPC, you want so set EnableDnsSupport and enableDNSHostnames to false. Once you do that, you will…
Routes for AWS VPN
Create a separate subnet for hosting the VPN route in a table specifies a destination CIDR and a target (for example, traffic destined for the external corporate network is targeted…
Domain Trust vs Synchronization of user objects
What is TRUST? Trust is mainly if you have two different forests/domains - and want to treat them as one forest/domain - but 'different' is the keyword. You need AWS…
AWS Key pairs vs Access keys
Access keys and key pairs are two entirely different things. Key Pairs are required to provide access to machines (EC2 instances) from client desktops (using SSH). 1. So, Key Pairs…
IP Address Space Overlap
With corporate mergers, branch office consolidations, and partner collaborations being common, often an organization must create a VPN to another network that uses the same private address subnet. Because both…
AWS ALB vs ELB
Content Based Routing In addition to the common features mentioned above ( SSL Termination, Sticky Sessions), the ALB manages routing based on user-defined rules. A request to a URL which…
AWS Essentials, including Governance training– for Development Teams
What is AWS Governance? In one sentence, ‘Leveraging the AWS API (public cloud API) to create automated templates around provisioning of resources’ All public cloud governance consists of these three…
AWS Recap – S3, Security Groups, EIPs
Also read GCP Cloud Storage Basics and S3 for database backups S3 access over VPN? No. S3 cannot be isolated s3 at a network level. Access control is done using…
On Prem IP Address Space to VPC ?
Q) Can you migrate a server subnet in your Data Center to a VPC, while retaining the same IP addresses? Or will you be required to change the server IPs?…
NAT Route Tables–Multi AZ Deployments– AWS
Simple ROUTEs for a SINGLE NAT Instance Configuration – ELB in front of NAT instance. NAT instance in it’s own security group (NAT_SG); ELB in it’s own Security Group (ELB_SG)…