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DNS and BIND, 4th Edition Online: Chapter 11: Security |
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Source: O'Reilly - Posted by Dave Wreski
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Chapter 11 of the new BIND book is now available online. This chapter covers securing your nameserver, transaction security, restricting queries and transfers, firewalls, and a number of security extensions. "Why should you care about DNS security? Why go to the . . .
Chapter 11 of the new BIND book is now available online. This chapter covers securing your nameserver, transaction security, restricting queries and transfers, firewalls, and a number of security extensions. "Why should you care about DNS security? Why go to the trouble of securing a service that mostly maps names to addresses? DNS security comes in several flavors. You can secure transactions--the queries, responses, and other messages your name server sends and receives. You can secure your name server, refusing queries, zone transfer requests, and dynamic updates from unauthorized addresses, for example. You can even secure zone data by digitally signing it. Since DNS security is one of the most complicated topics in DNS, we'll start you off easy and build up to the hard stuff."
Read this full article at O'Reilly
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