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There are numerous security concerns while using 3rd party Webhooks Providers like pipedream, webhook.site, etc. However, a lesser known alternative is rather than relying on third-party webhook providers, you can implement your own webhook endpoint.
When choosing a Webhook provider, consider the following factors:
Considering all of the above parameters, in addition to pushing sensitive data to a 3rd party Webhook provider, the objective of this article is to show how one can create their own Webhook Endpoint.
In order to create your own Webhook Endpoint, make use of the API Gateway Service in AWS Cloud provider.
An API proxy is a fully managed service that helps you to create APIs and publish, monitor and maintain them. It is scalable, can handle concurrent calls, authorization, and traffic management. Read more here - Amazon API Gateway.
Step 1: Head to the AWS Console
Step 2: Select Services
Step 3: Search for API Gateway
Step 4: Click on Build REST API and the following dashboard will appear.
Figure 1: Build REST API _palo-alto-networks
An important thing to note here is to select an Endpoint Type which is by default Regional which means the lambda would be deployed in the current region.
Step 5: Creating a method for our Lambda Function:
Click on the Actions drop down and select Create method. In the Resources section, Click on the drop down and select POST, then click on Check marks. After that, you need to set up the method you have just created.
Figure 2: Creating a method for our Lambda Function_palo-alto-networks
Make sure to check - “Use Lambda proxy Integration” option. It’s necessary to build a webhook. This API Gateway will provide you an endpoint. We need to redirect it to Lambda.
Step 6: Deploying API to a stage - Go to Actions and click Deploy API now, and create a new deployment stage.
Figure 3: Deploy API_palo-alto-networks
Step 7: Click on Deploy and get your Invoke URL in the stage area.
Figure 4: Invoke URL_palo-alto-networks
Step 8: Now, you can use this endpoint in Webhook integration within Prisma Cloud, but by default, API Gateway does not store the data sent to its endpoints. It acts as a gateway or proxy, forwarding the requests it receives to the integration target (such as an AWS Lambda function, an HTTP endpoint, or other AWS services) without persisting the data.
curl -X POST -H "Content-Type: application/json" -d '{"key1":"value1","key2":"value2"}' https://your-api-gateway-url
However, you can configure API Gateway to integrate with other AWS services or backend systems to store the data. Some common options include:
Remember that data storage and handling depend on how you configure the integration and the logic implemented in the integration target (e.g., Lambda function, backend system). You have the flexibility to choose the most suitable storage solution for your specific use case and requirements.
Vinay Kumar M is a seasoned professional with over 8 years of invaluable experience in the dynamic realm of cloud computing. As a Senior Customer Success Engineer in PANW, Vinay specializes in navigating the intricate landscape of Prisma Cloud and Compute, showcasing his expertise in ensuring seamless operations for accounts across the Asia-Pacific region.
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