DNS forward resolution experiment

Forward analysis experiment

1.1 install bind service , View the configuration file

install DNS service , The service name is in the installation package bind in

  View the configuration file （ Global profile 、 Zone profile 、 Zone data profile ）

 1.2 Global configuration file configuration and file content description

Go to global profile

  Modify the contents of the global configuration file （ Listening port address 、 Allowed hosts ）

 

  Listening port explanation ：

① To open this port ,

② The main process will occupy this port , monitor , Reception request .

Set which sub file is （ Write it in , The contents of this file will also be executed , Equivalent to a function being called means ）

 

1.3 Enter the area configuration file

Enter the area configuration file

  First, select forward or reverse parsing , Then set the domain name to be resolved , Define the master server , Define the file name of the area data file （ Similar to the above function ）, Whether to allow other hosts to update data from here .

  Be careful ： This configuration file can be used to define forward parsing and reverse parsing

 1.4 Zone data profile

View the path and location of the previous area data file , After entering the position

  Take the of the original regional data configuration file as the template , Copy one locally , And modify the name to the file name specified by the area configuration file .

  Enter the modified area data configuration file

Set the domain name and ip Mapping , And the corresponding relationship of various host names （ Pay attention to the following points when configuring ）

 

1.5 Start the service 、 Turn off firewall

1.6 Test whether the domain name can be resolved

Start another virtual machine system , To configure DNS

  Then resolve the domain name