Skip to content
Cloudflare Docs logomark
Cloudflare
Docs
DDoS Protection
Navigation menu icon
Open external link
Cloudflare Docs logomark
Cloudflare
Docs
DDoS Protection
Dropdown icon
DDoS Protection menu
Cloudflare DDoS Protection homepage
Cloudflare homepage
Overview
Get started
Expand: About
About
How DDoS protection works
Main components
Attack coverage
Expand: Managed rulesets
Managed rulesets
Expand: HTTP DDoS Attack Protection
HTTP DDoS Attack Protection
Configure in the dashboard
Configure via API
Rule categories
Parameters
Override expressions
Expand: Network-layer DDoS Attack Protection
Network-layer DDoS Attack Protection
Configure in the dashboard
Configure via API
Rule categories
Parameters
Override expressions
Adaptive DDoS Protection
Expand: Adjusting DDoS rules
Adjusting DDoS rules
Handle a false positive
Handle a false negative or an incomplete mitigation
Expand: Advanced TCP Protection
Advanced TCP Protection
Setup
Concepts
Expand: How to
How to
Add a prefix
Add an IP or prefix to the allowlist
Create a rule
Exclude a prefix
Expand: API configuration
API configuration
Common API calls
JSON objects
Rule settings
Mitigation reasons
Expand: Best practices
Best practices
Third-party services and DDoS protection
Prevent DDoS attacks
External link icon
Open external link
Respond to DDoS attacks
Expand: Reference
Reference
Analytics
Reports
Alerts
Logs
Simulating test DDoS attacks
Expand: Changelog
Changelog
Expand: Network-layer DDoS managed ruleset
Network-layer DDoS managed ruleset
Scheduled changes
2023-07-31
2023-04-17
2022-12-02
2022-10-24
2022-10-06
2022-09-21
2022-09-16
2022-04-12
Expand: HTTP DDoS managed ruleset
HTTP DDoS managed ruleset
Scheduled changes
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
Give Feedback
GitHub icon
Visit DDoS Protection on GitHub
Search icon (depiction of a magnifying glass)
Light theme icon (depiction of a sun)
Dark theme icon (depiction of a moon)
Set theme to dark (⇧+D)
Products
DDoS Protection
Advanced TCP Protection
How to
How to
Add a prefix
Add an IP or prefix to the allowlist
Create a rule
Exclude a prefix