Outage in AWS
Elevated WAF Error Rates
Resolved Minor
November 22, 2020 - Started about 5 years ago
- Lasted over 1 year
Incident Report
9:07 AM PST We are investigating increased error rates for request inspection by AWS WAF in the EU-WEST-1 Region. Customers who use AWS WAF with ALB in EU-WEST-1 may see increased ALB error rates.
9:15 AM PST We are investigating increased error rates for request inspection by AWS WAF in the EU-WEST-1 Region. Customers who use AWS WAF with ALB in EU-WEST-1 may see increased ALB error rates. Impacted customers can optionally set ALB to fail open instead of the default of failing closed: https://docs.aws.amazon.com/elasticloadbalancing/latest/application/application-load-balancers.html#load-balancer-waf
10:22 AM PST We are starting to see recovery of error rates for request inspection by AWS WAF in the EU-WEST-1 Region. Impacted customers can optionally set ALB to fail open instead of the default of failing closed: https://docs.aws.amazon.com/elasticloadbalancing/latest/application/application-load-balancers.html#load-balancer-waf
10:45 AM PST Between 7:54 AM and 9:43 AM PST, some customers may have experienced elevated error rates for request inspection by AWS WAF in the EU-WEST-1 Region. The issue has been resolved and the service is operating normally.
9:15 AM PST We are investigating increased error rates for request inspection by AWS WAF in the EU-WEST-1 Region. Customers who use AWS WAF with ALB in EU-WEST-1 may see increased ALB error rates. Impacted customers can optionally set ALB to fail open instead of the default of failing closed: https://docs.aws.amazon.com/elasticloadbalancing/latest/application/application-load-balancers.html#load-balancer-waf
10:22 AM PST We are starting to see recovery of error rates for request inspection by AWS WAF in the EU-WEST-1 Region. Impacted customers can optionally set ALB to fail open instead of the default of failing closed: https://docs.aws.amazon.com/elasticloadbalancing/latest/application/application-load-balancers.html#load-balancer-waf
10:45 AM PST Between 7:54 AM and 9:43 AM PST, some customers may have experienced elevated error rates for request inspection by AWS WAF in the EU-WEST-1 Region. The issue has been resolved and the service is operating normally.
Components affected
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