feat: add IP blacklist support to Cloudflare Worker edge layer (Fixes #1045)#1154
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zeroknowledge0x wants to merge 1 commit into
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feat: add IP blacklist support to Cloudflare Worker edge layer (Fixes #1045)#1154zeroknowledge0x wants to merge 1 commit into
zeroknowledge0x wants to merge 1 commit into
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…ublime247#1045) - Add IP_BLACKLIST env var for comma-separated IPs/CIDRs - Support exact IP and CIDR range matching (e.g. 192.168.1.0/24) - Block requests at the edge before they reach the origin - Log blocked requests with structured JSON for monitoring - Use cf-connecting-ip header for accurate client IP detection - Add comprehensive unit tests for IP matching logic - Document configuration in wrangler.toml with examples
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Fixes #1045
Summary
Adds edge-level IP blacklist support to the well-known-cache Cloudflare Worker, blocking malicious requests before they reach the origin server.
Changes
IP_BLACKLISTenv var (comma-separated IPs/CIDRs)203.0.113.1198.51.100.0/24203.0.113.1,198.51.100.0/24,192.0.2.5cf-connecting-ipheader (Cloudflare's real client IP)Configuration
Add to
wrangler.tomlvars:Or set via
wrangler secret put IP_BLACKLISTfor production.Testing
Security
cf-connecting-ip(Cloudflare-provided) for reliable client IPx-forwarded-forfirst entry