트래픽 필터 규칙을 사용하여 DoS 및 DDoS 공격 차단

kind: CDN
version: '1'
metadata:
  envTypes:
    - dev
    - stage
    - prod
data:
  trafficFilters:
    rules:
    ...
    #  Prevent attack at edge by blocking client for 5 minutes if they make more than 500 requests per second on average
      - name: prevent-dos-attacks-edge
        when:
          reqProperty: tier
          in: ["author","publish"]
        rateLimit:
          limit: 500 # replace with the appropriate value
          window: 10 # compute the average over 10s
          penalty: 300 # block IP for 5 minutes
          count: all # count all requests
          groupBy:
            - reqProperty: clientIp
        action:
          type: log
          alert: true
    #  Prevent attack at origin by blocking client for 5 minutes if they make more than 100 requests per second on average
      - name: prevent-dos-attacks-origin
        when:
          reqProperty: tier
          in: ["author","publish"]
        rateLimit:
          limit: 100 # replace with the appropriate value
          window: 10 # compute the average over 10s
          penalty: 300 # block IP for 5 minutes
          count: fetches # count only fetches
          groupBy:
            - reqProperty: clientIp
        action:
          type: log
          alert: true