WAF fields
The Web Application Firewall (WAF) contains rules managed by Cloudflare to block requests that contain malicious content.
| Value | Action | Description | 
|---|---|---|
0 | Unknown | Take no other action. | 
1 | Allow | Bypass all subsequent WAF rules. | 
2 | Drop | Block with an HTTP 403 response. | 
3 | Challenge Allow | Issue a Managed Challenge. | 
4 | Challenge Drop | Unused. | 
5 | Log | Take no action other than logging the event. | 
The values of these fields are subject to change by Cloudflare at any time and are irrelevant for customer data analysis:
- WAFFlags
 - WAFMatchedVar
 
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