Five DNS Security Controls Every ISP Should Have
DNS is one of the most attacked — and least watched — parts of any network. Here are five controls that make a measurable difference.
- Restrict recursion to your own customers.
- Enable DNSSEC validation.
- Use response-policy zones (RPZ) to block malicious domains.
- Rate-limit responses to prevent amplification.
- Monitor query logs for anomalies and botnet activity.
This post is an example of a scheduled blog — it goes live automatically on its publish date.
