Cloudflare

Sources

Every source cited in Cloudflare Made Crystal Clear. Each number matches the [n] marker next to that link in the book's "Go deeper" lists, so you can trace any claim back to its origin.

1. [1]How Cloudflare works
2. [2]Cloudflare IP addresses
3. [3]Cloudflare IP ranges
4. [4]Cloudflare Ray ID
5. [5]Cloudflare network
6. [6]About Cloudflare
7. [7]Cloudflare plans
8. [8]Free plan
9. [9]DDoS protection overview
10. [10]The folly of charging by bandwidth
11. [11]Cloudflare S-1 (2019)
12. [12]Q2 2026 financial results
13. [13]18 November 2025 outage post-mortem
14. [14]RFC 9110, section 3.7
15. [15]RFC 4786
16. [16]RFC 7094
17. [17]W3Techs reverse proxy usage
18. [18]MDN: CDN
19. [19]Proxy status
20. [20]Proxy status limitations
21. [21]Accounts, zones, and profiles
22. [22]Connection limits
23. [23]Default cache behavior
24. [24]Cloudflare HTTP headers
25. [25]Network ports
26. [26]Cache responses
27. [27]Workers pricing
28. [28]Spectrum
29. [29]MDN: Proxy servers and tunneling
30. [30]Onboard a domain
31. [31]Domain status
32. [32]Update nameservers
33. [33]Zone setups
34. [34]DNS record types
35. [35]CNAME flattening
36. [36]DNSSEC
37. [37]Transfer a domain to Cloudflare
38. [38]1.1.1.1
39. [39]The root KSK-2024 rollover
40. [40]RFC 1912
41. [41]RFC 9364
42. [42]RFC 8659
43. [43]DNSViz
44. [44]Encryption modes
45. [45]Flexible mode
46. [46]Full (strict) mode
47. [47]Troubleshooting too many redirects
48. [48]Universal SSL
49. [49]Universal SSL limitations
50. [50]Certificate validity periods
51. [51]Advanced Certificate Manager
52. [52]Origin CA certificates
53. [53]Origin CA troubleshooting
54. [54]Create Origin CA certificate (API)
55. [55]Always Use HTTPS
56. [56]HSTS
57. [57]Minimum TLS version
58. [58]Authenticated Origin Pulls
59. [59]Cloudflare, SSL and unhealthy security absolutism
60. [60]RFC 6797: HSTS
61. [61]HSTS preload list
62. [62]RFC 8555: ACME
63. [63]SSL certificate validity changes
64. [64]Let's Encrypt: from 90 to 45 days
65. [65]Origin Cache Control
66. [66]CDN-Cache-Control
67. [67]Edge and Browser Cache TTL
68. [68]Cache keys
69. [69]Cache Rules
70. [70]Cache Rules order
71. [71]Cache Response Rules
72. [72]Dynamic content and login issues
73. [73]Purge cache
74. [74]Invalidate cache
75. [75]Tiered Cache
76. [76]Cache Reserve
77. [77]Smart Shield get started
78. [78]Compression
79. [79]Early Hints
80. [80]Run a speed test
81. [81]Always Online
82. [82]RFC 9111: HTTP Caching
83. [83]Cloudflare Rules overview
84. [84]Redirects
85. [85]Create a redirect rule in the dashboard
86. [86]Bulk Redirects concepts
87. [87]URL Rewrite Rules
88. [88]Managed Transforms
89. [89]Configuration Rules settings
90. [90]Origin Rules features
91. [91]Snippets vs Workers
92. [92]Page Rules migration guide
93. [93]Cache Rules: Page Rules migration
94. [94]Rules language operators
95. [95]Rules language field reference
96. [96]Rules language functions
97. [97]Phases list
98. [98]Cloudflare Trace
99. [99]cloudflare/wirefilter on GitHub
100. [100]Building fast interpreters in Rust
101. [101]Cloudflare WAF
102. [102]WAF: Get started
103. [103]WAF concepts
104. [104]WAF feature interoperability
105. [105]Allow site admin only from known IPs
106. [106]Rules language: actions
107. [107]How rate limiting counts requests
108. [108]Rate limiting use cases
109. [109]How DDoS protection works
110. [110]Configure HTTP DDoS overrides
111. [111]2025 Q4 DDoS threat report
112. [112]H1 2026 DDoS threat report
113. [113]500 Tbps of capacity
114. [114]Bot Fight Mode
115. [115]Super Bot Fight Mode
116. [116]AI bot policies
117. [117]Managed robots.txt
118. [118]Turnstile server-side validation
119. [119]Turnstile testing
120. [120]Security Center
121. [121]AWS WAF pricing
122. [122]AWS WAF vs Cloudflare WAF vs Azure WAF
123. [123]Cloudflare Tunnel overview
124. [124]Tunnel fundamentals
125. [125]Get started with Tunnel
126. [126]Quick Tunnels
127. [127]Configuration file
128. [128]Origin parameters
129. [129]Terraform guide
130. [130]Tunnel troubleshooting
131. [131]HTTPS origins troubleshooting
132. [132]Tunnel observability
133. [133]Tunnel FAQ
134. [134]Upload limits
135. [135]Delivering videos with Cloudflare
136. [136]Service-Specific Terms: CDN
137. [137]cloudflared releases
138. [138]Pangolin vs Cloudflare Tunnels vs Tailscale
139. [139]Publish a self-hosted application to the Internet
140. [140]Access policies
141. [141]One-time PIN login
142. [142]Session management
143. [143]Validate JWTs
144. [144]Service tokens
145. [145]Connect an IP/CIDR
146. [146]Cloudflare One Client
147. [147]Get started with Gateway
148. [148]Zero Trust plans
149. [149]Tailscale Funnel
150. [150]Expose localhost to the Internet
151. [151]Cloudflare 5xx errors
152. [152]Error 522
153. [153]Error 524
154. [154]Cloudflare 1XXX errors
155. [155]Error 413
156. [156]Workers limits
157. [157]Security Events
158. [158]Cloudflare Status
159. [159]How Workers works
160. [160]Workers getting started guide
161. [161]Wrangler configuration
162. [162]Wrangler commands for Workers
163. [163]Bindings
164. [164]Secrets
165. [165]Routing
166. [166]Custom Domains
167. [167]Workers Static Assets
168. [168]Migrate from Pages to Workers
169. [169]Cloudflare Pages docs
170. [170]Workers Builds limits and pricing
171. [171]Workers Logs
172. [172]Placement
173. [173]Cron Triggers
174. [174]Eliminating Cold Starts 2: shard and conquer
175. [175]The Deno team joins Cloudflare
176. [176]Deno: joining Cloudflare
177. [177]workerd on GitHub
178. [178]Cloudflare Workers vs Lambda
179. [179]Choosing a data or storage product
180. [180]R2 pricing
181. [181]R2 public buckets
182. [182]R2 presigned URLs
183. [183]R2 limits
184. [184]How KV works
185. [185]KV limits
186. [186]D1 limits
187. [187]D1 migrations
188. [188]D1 Time Travel
189. [189]How Hyperdrive works
190. [190]What are Durable Objects?
191. [191]Durable Objects WebSockets
192. [192]Durable Objects limits
193. [193]Queues get started
194. [194]Workflows
195. [195]Workers AI pricing
196. [196]AI Gateway pricing
197. [197]Vectorize pricing
198. [198]Containers
199. [199]Amazon S3 pricing
200. [200]Backblaze B2 pricing
201. [201]R2 vs S3 vs Backblaze B2 (2026)
202. [202]Cloudflare R2 pricing explained
203. [203]Plans comparison table
204. [204]Pro plan
205. [205]Available notifications
206. [206]Code Orange: Fail Small, complete
207. [207]Cloudbleed incident report
208. [208]CloudFront pay-as-you-go pricing
209. [209]CloudFront flat-rate plans
210. [210]Fastly pricing
211. [211]Bunny CDN pricing
212. [212]Spain's weekend Cloudflare blocking
213. [213]Create an API token
214. [214]Review audit logs
215. [215]Notifications
216. [216]Cloudflare Terraform provider
217. [217]Tunnel system requirements
218. [218]Update cloudflared
219. [219]12 September 2025 dashboard and API outage
220. [220]Cloudflare post-mortem archive
221. [221]Cloudflare's outage exposes dependence on centralised infrastructure
222. [222]Useful cloudflared commands
223. [223]Cloudflare Tunnel changelog
224. [224]Cloudflare Radar DDoS reports
225. [225]Cloudflare Community forum
226. [226]r/CloudFlare
227. [227]r/selfhosted