TRIGGER LAMBDA FROM FAIL2BAN

Trigger Lambda from Fail2Ban

Trigger Lambda from Fail2Ban

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Trigger 스포츠중계 Lambda from Fail2Ban


To trigger this Lambda function when Fail2Ban bans expire, you will:





  1. Configure Fail2Ban to trigger the Lambda function.




  2. Pass the IP and other necessary information to AWS WAF.




In Fail2Ban, you can create an action to call the AWS Lambda function using the AWS API Gateway as an endpoint.



Example of Fail2Ban action configuration:



ini






[Definition] actionstart = actionstop = actioncheck = actionban = curl -X POST -H "Content-Type: application/json" -d '{"ip": "<ip>"}' https://YOUR_API_GATEWAY_URL actionunban =


Step 3: Schedule and Automate Lambda Execution


AWS Lambda automatically handles the invocation triggered by the API Gateway, but you can also set up scheduled executions with Amazon CloudWatch Events to unban the IP after the ban period.






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Platform Setup Difficulty

스포츠중계 


Type		 Best For
Cloudflare Easy Use API to unban IPs Public-facing web apps, CDNs
AWS WAF + Lambda Moderate Use Lambda to unban IPs AWS-hosted services and web apps


By integrating Fail2Ban with Cloudflare or AWS WAF, you create a seamless, automated security layer that dynamically removes IP bans once they expire, ensuring that access control is continually maintained without manual intervention.

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