DNS Firewall Archives - ITFROMZERO

Configuring a DNS Firewall with Response Policy Zones (RPZ) on BIND9: Block Malware and Phishing Effectively

By IT From Zero October 2, 2026

A detailed guide on deploying a DNS Firewall with Response Policy Zones (RPZ) in BIND9. Block malware and phishing directly at your internal DNS resolver with minimal overhead.

Security

DNS Firewall with BIND9 RPZ: Nipping Malware and Phishing in the Bud

By IT From Zero September 9, 2026

A DNS Firewall using BIND9 RPZ blocks up to 92% of malicious connections from malware and phishing. Here is a detailed guide on configuring Sinkholes and managing blacklists.