#!/bin/bash # Fetch malicious IPs to temporary file curl -s https://your-krawl-instance/your-dashboard-path/api/get_banlist?fwtype=iptables > /tmp/ips_to_ban.txt # Create the set if it doesn't exist sudo nft add set inet filter krawl_ban { type ipv4_addr \; } 2>/dev/null || true # Add IPs to the set while read -r ip; do [[ -z "$ip" ]] && continue sudo nft add element inet filter krawl_ban { "$ip" } done < /tmp/ips_to_ban.txt # Create the rule if it doesn't exist sudo nft add rule inet filter input ip saddr @krawl_ban counter drop 2>/dev/null || true # Cleanup rm -f /tmp/ips_to_ban.txt