Cloudflare Docs

DDoS Protection

Cloudflare Docs

DDoS Protection

Overview
Get started
About
How DDoS protection works
Main components
Attack coverage
Managed rulesets
HTTP DDoS Attack Protection
Configure in the dashboard
Configure via API
Configure using Terraform
Rule categories
Parameters
Override expressions
Network-layer DDoS Attack Protection
Configure in the dashboard
Configure via API
Configure using Terraform
Rule categories
Parameters
Override expressions
Adaptive DDoS Protection
Adjusting DDoS rules
Handle a false positive
Handle a false negative or an incomplete mitigation
Advanced TCP Protection
Setup
Concepts
How to
Add a prefix
Add an IP or prefix to the allowlist
Create a rule
Create a filter
Exclude a prefix
API configuration
Common API calls
JSON objects
Rule settings
Mitigation reasons
Advanced DNS Protection (beta)
Best practices
Third-party services and DDoS protection
Prevent DDoS attacks
Respond to DDoS attacks
Botnet Threat Feed
Reference
Analytics
Reports
Alerts
Logs
Simulating test DDoS attacks
Changelog
Network-layer DDoS managed ruleset
Scheduled changes
2024-03-12
2023-07-31
2023-04-17
2022-12-02
2022-10-24
2022-10-06
2022-09-21
2022-09-16
2022-04-12
HTTP DDoS managed ruleset
Scheduled changes
2024-04-19
2024-04-16 - Emergency
2024-04-04 - Emergency
2024-04-02
2024-02-27
2024-02-26 - Emergency
2024-02-19
2024-02-12
2024-02-08 - Emergency
2024-02-06 - Emergency
2024-02-05 - Emergency
2024-01-26 - Emergency
2024-01-25
2024-01-23
2024-01-05
2023-12-19 - Emergency
2023-12-14 - Emergency
2023-12-08 - Emergency
2023-11-29
2023-11-22
2023-11-13 - Emergency
2023-11-10 - Emergency
2023-10-19
2023-10-11
2023-10-09 - Emergency
2023-09-24 - Emergency
2023-09-21 - Emergency
2023-09-05 - Emergency
2023-08-30 - Emergency
2023-08-29 - Emergency
2023-08-25 - Emergency
2023-08-16 - Emergency
2023-08-14
2023-08-11 - Emergency
2023-07-31
2023-07-17
2023-07-12 - Emergency
2023-07-07
2023-07-06
2023-06-28
2023-06-19
2023-06-16
2023-06-14 - Emergency
2023-06-06
2023-06-05 - Emergency
2023-05-26
2023-05-22
2023-05-16 - Emergency
2023-05-15 - Emergency
2023-05-02 - Emergency
2023-04-27 - Emergency
2023-04-21 - Emergency
2023-04-17
2023-04-03
2023-03-22
2023-03-10
2023-02-28 - Emergency
2023-02-20
2023-01-30
2022-12-07 - Emergency
2022-11-02 - Emergency
2022-10-14
2022-10-06 - Emergency
2022-09-19 - Emergency
2022-09-14
2022-09-13
2022-08-16
2022-08-10
2022-08-02
2022-07-18
2022-07-08
2022-07-06
2022-06-08
2022-06-01
2022-05-12
2022-05-03
2022-04-21
2022-04-12
2022-04-07

2023-11-22

Rule ID	Description	Previous Action	New Action	Notes
...254da96a	HTTP requests with unusual HTTP headers or URI path (signature #58).	log	block