patterns/waf_patterns/nginx/rfi.conf

# Nginx WAF rules for RFI
# Automatically generated from OWASP rules.
# Include this file in your server or location block.

map $request_uri $waf_block_rfi {
    default 0;
    "~*^(?i:file|ftps?|https?)://(?:d{1,3}.d{1,3}.d{1,3}.d{1,3})" 1;
    "~*!@endsWith .%{request_headers.host}" 1;
}

if ($waf_block_rfi) {
    return 403;
    # Log the blocked request (optional)
    # access_log /var/log/nginx/waf_blocked.log;
}