Instant Edge Block & WAF Rules
WAF DropInstantly ban, challenge, or drop abusive IP addresses, CIDR subnets, or rogue countries at the edge.
📖 Full Explanation
\1 gives system administrators an edge firewall hammer. Whether an attacker is launching brute-force attacks against \1 or scanning for \1 files, you can blacklist their IP address or CIDR range instantly across the entire Cloudflare edge.
⚙️ Command Options & Flags
| Option / Flag | Description | Default |
|---|---|---|
| -m, --mode <action> | Mitigation action: block, challenge, js_challenge, managed_challenge | block |
| -n, --note <text> | Administrative audit note for the firewall rule | CLI block |
| --json | Output rule details in JSON format | false |
🔬 Technical Corollary & Edge Mechanics
Creates an IP Access Rule via \1 or an expression rule in Cloudflare WAF Custom Rulesets. Rules with action \1 return immediate HTTP 403 Forbidden at the edge, consuming zero origin resources.
🎯 Real-World DevOps Use Cases
Banning Abusive Scraper IP
Instantly drop all incoming connections from a malicious crawler.
Enforcing Geographic Access Rules
Challenge all traffic arriving from specific high-risk jurisdictions during security audits.
💻 Live Output Simulation
$ cflare block ip namishkumar.in 198.51.100.42 --note "Brute force attacker" ✔ Created edge firewall rule: ID: 3a829f01bc4892e8a7192834 Target: 198.51.100.42 (ip) Action: block (Drop at edge) Notes: Brute force attacker