Amazon Route 53 effectively connects user requests to infrastructure running inAWS – such as Amazon EC2 instances, Elastic Load Balancing load balancers, or Amazon S3 buckets – and can also be used to route users to infrastructure outside of AWS.

More...

Explanation:

A NAT (Network Address Translation) instance is, like a bastion host, an EC2 instance that lives in your public subnet. A NAT instance, however, allows your private instances outgoing connectivity to the internet while at the same time blocking inbound traffic from the internet.

A NAT (Network Address Translation) Gateways provide the same functionality as a NAT instance, however, a NAT Gateway is an AWS managed NAT service. As a result, these NAT Gateways offer greater availability and bandwidth and require less configuration and administration.

Comparison of NAT Instances and NAT Gateways

Bastion host : A bastion host is a special-purpose computer on a network specifically designed and configured to withstand attacks. The computer generally hosts a single application, for example a proxy server, and all other services are removed or limited to reduce the threat to the computer.

Details:

 Security Group vs Network ACL (Network Access Control List)

Explanation:

Framed Display is a browser add-on which can be added to all your web browsers including Internet Explorer, Google Chrome and Mozilla Firefox.The advertisements may appear in the form of pop-ups, web banners, interstitial ads, etc. The ads are rather intrusive, so they will disrupt your online activity.

Solution:

Use the freefixer tool to remove the "Framed Display ads add-on"

Description:

IT administrators account get populated in the work item "assigned to" field.

By default, [TEAM FOUNDATION]\Valid Users include [TEAM FOUNDATION]\Team Foundation Administrators which holds [BUILT IN]\Administrators.

Workaround:

In the TFS Server Administration Console

1. Select Application Tier and clicked Group Membership. I

2. Double-click on [TEAM FOUNDATION]\Team Foundation Administrators 

3. Remove [BUILT IN]\Administrator