[Refcard] Practical DNS

Configure, secure, and understand DNS in a practical way.   NEW REFCARD Practical DNS DNS, or Domain Name System, has been in effect since the early days of ARPANET, and helps computers identify other computers on a network. It is a key component of how the Internet works today. Download this Refcard to learn what DNS is, how to configure it, and how to keep your network secure. Download Refcard   What You'll Learn   How DNS Works Learn how the DNS request process help users find exactly what they need. Download Refcard ▸   Configure DNS Learn why nameservers are crucial to the request process and how to configure them. Download Refcard ▸   Security Issues DNS cache poisoning, reflection attacks, and more can create major headaches. DNSSEC can help prevent these issues. Download Refcard ▸   BROUGHT TO YOU IN PARTNERSHIP WITH