Overview
ABSTRACT
At the beginning of the computing era, it was not necessary to address dozens of machines, as the architecture was centralized and the number of machines extremely reduced. Then, the advent of the Internet and TCP/IP-based networks massively increased this issue; the exchange of information became possible between millions of machines with an IP address. the implementation of a domain name service (DNS) has allowed for the solving of this issue. Although the implementation of a naming service is a critical mission for a TCP/IP network, this task is not technically complex. This article provides the reader with all the necessary information in order to build their domain name service infrastructure.
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Laurent LEVIER : CISSP (Certified Information Systems Security Professional) - CISM (Certified Information Security Manager) - Internal Network Security Officer, Equant Télécommunications
INTRODUCTION
In the early days of computing, access methods were based on direct links from terminals to central "mainframe" servers. In those days, there was no need to address dozens of machines, as the architecture was centralized. Then the first TCP/IP-based networks appeared, and the number of machines with which we could communicate increased. Finally, the advent of the Internet, the network of networks, multiplied this problem, as the exchange of information between millions of machines became possible.
By default, a machine can be identified by its IP address (in the format a.b.c.d). Given the sheer number of machines, it proved impossible for anyone to remember the IP addresses of all the machines with which they might need to exchange information. The introduction of a naming service (DNS: Domain Name Service) removed this obstacle.
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Implementation of a name server of the DNS type
The name service
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References
- (1) - GUETTE (G.) - Extensions de sécurité DNS (DNSSEC) - Techniques de l'Ingénieur Base Réseaux – Télécommunications (2006).
- (2) - ISC Bind – Internet Service Consortium - http://www.isc.org/bind/ ...
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