What is WAF and how does it work?

What is WAF and how does it work?

A WAF protects your web apps by filtering, monitoring, and blocking any malicious HTTP/S traffic traveling to the web application, and prevents any unauthorized data from leaving the app. It does this by adhering to a set of policies that help determine what traffic is malicious and what traffic is safe.

What is Cloud WAF?

Cloud WAF Application Analytics provides simple, easy-to-understand explanations of security events, thus providing context on application behavior, and why certain events are blocked or allowed.

Where is WAF installed?

All that said, a WAF fits in the data path pretty much anywhere you want it to. It’s an L7 proxy-based security service deployed as an intermediary in the network path. It could ostensibly sit at the edge of the network, if you wanted it to.

Can AWS WAF block IP?

When you add an IP match condition to a rule, you also can configure AWS WAF Classic to allow or block web requests that do not originate from the IP addresses that you specify in the condition. Sign in to the AWS Management Console and open the AWS WAF console at https://console.aws.amazon.com/wafv2/ .

Is WAF a load balancer?

You can now use AWS WAF directly on Application Load Balancers (both internal and external) in a VPC, to protect your websites and web services. With this launch customers can now use AWS WAF on both Amazon CloudFront and Application Load Balancer.

How do I create a WAF in AWS?

  1. Step 1: Set up AWS WAF.
  2. Step 2: Create a Web ACL.
  3. Step 3: Add a string match rule.
  4. Step 4: Add an AWS Managed Rules rule group.
  5. Step 5: Finish your web ACL configuration.
  6. Step 6: Clean up your resources.

Where does a WAF sit?

In most application architectures, the WAF is best positioned behind the load balancing tier to maximize utilization, performance, reliability and visibility. WAFs are an L7 proxy-based security service and can be deployed anywhere in the data path.