Cloudflare Support

General

• Firewall Analytics for Enterprise Domains
• How do I block bots and crawlers?
• Hardening WordPress Security with the Cloudflare Firewall
• Cloudflare and PCI Compliance

Bot Management

• Understanding Bot Fight Mode
• Understanding Cloudflare Bot Management (beta)

Advanced DDoS Protection

• I didn't turn on I'm Under Attack mode, why are some visitors seeing a "Checking your Browser before accessing" message?
• How do I enable "I'm Under Attack" mode?
• What does "I'm Under Attack Mode" do?

Settings

• What does Cloudflare's Security Level mean?
• What will changing the Challenge Passage TTL do?
• How do I turn off the Cloudflare Captcha (challenge page)?
• What does the Browser Integrity Check do?
• Can I use Privacy Pass with Cloudflare?

Managed Rules - Web Application Firewall (WAF)

• Understanding the Cloudflare Web Application Firewall (WAF)
• Which Cloudflare plans offer the WAF?
• Configuring the Cloudflare Web Application Firewall (WAF)
• Creating Custom WAF rules
• Managing the OWASP rule set in the WAF
• A request was blocked by rule 981176, what does that mean?

See all 9 articles

Firewall Rules

• Cloudflare Firewall Rules

Tools - IP Access Rules

• Configuring IP Access Rules
• What are the two letter country codes for the Access Rules?
• How many IPs can I add to rules in the IP Firewall?

Tools - Rate Limiting

• Cloudflare Rate Limiting
• Configuring Rate Limiting in the Cloudflare Dashboard
• What does "Protect your login" do?
• How do I use Rate Limiting to protect against brute-force attacks?
• How do I use Rate Limiting to protect against DDoS attacks?
• Why doesn't my Rate Limiting rule match a request?

See all 9 articles

Tools - User Agent Blocking

• How do I block malicious User-Agents with Cloudflare?

Tools - Zone Lockdown

• Locking down URLs in Cloudflare

Firewall FAQ

• Why do I see a captcha or challenge page (Attention Required) trying to visit a site protected by Cloudflare as a site visitor?
• How do I allow hotlinking from a specific site?
• Does Cloudflare block Tor?
• Can I still use fail2ban while using Cloudflare?