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Created page with "=Name Resolution on Linux systems = * control file: /etc/nsswitch.conf ==File Based Name Resolution== ===Flat file name resolution=== * mapping information store in /etc/host..."
=Name Resolution on Linux systems =
* control file: /etc/nsswitch.conf
==File Based Name Resolution==
===Flat file name resolution===
* mapping information store in /etc/hosts
* same contents on each system share the same name space
===DNS name resolution===
* use client-server model
==== DNS Client (Resolver)====
* Configuration file: /etc/resolv.conf - mainly tells the local computer which machines should be used to answer your DNS queries.
==== DNS Server (BIND) ====
* Configuration file: /etc/named.conf - server options and which domains are their resposibility
* Zone files: location specified in the /etc/named.conf - contains information of the zone(s)
* Role of server:
** Cache-only server
** Primary Server
** Secondary Server
** Root name server
* control file: /etc/nsswitch.conf
==File Based Name Resolution==
===Flat file name resolution===
* mapping information store in /etc/hosts
* same contents on each system share the same name space
===DNS name resolution===
* use client-server model
==== DNS Client (Resolver)====
* Configuration file: /etc/resolv.conf - mainly tells the local computer which machines should be used to answer your DNS queries.
==== DNS Server (BIND) ====
* Configuration file: /etc/named.conf - server options and which domains are their resposibility
* Zone files: location specified in the /etc/named.conf - contains information of the zone(s)
* Role of server:
** Cache-only server
** Primary Server
** Secondary Server
** Root name server
