Table 1. Comparison of BIND 8.2.1 and BIND 4.9.7
  
    
      | BIND 8.2.1 | BIND 4.9.7 | 
    
      | Configuration file | This version uses the | 
    
      | syntax provides greater | standard BIND syntax | 
    
      | flexibility and | as specified by | 
    
      | granularity specified | the named.conf file. | 
    
      | by the named.conf file. |  | 
    
      |  |  | 
    
      | Supports Dynamic Update | Does not support | 
    
      | Standard. | Dynamic Update Standard. | 
    
      |  |  | 
    
      | Zone change notification | Does not support zone | 
    
      | (NOTIFY) support exists | change notification | 
    
      | for the primary master | (NOTIFY). | 
    
      | server to notify slave |  | 
    
      | servers of zone changes. |  | 
    
      |  |  | 
    
      | Provides greater control | Does not provide as much | 
    
      | and granularity on | control and granularity | 
    
      | logging. | over logging. | 
    
      |  |  | 
    
      | Configuration options |  | 
    
      | are extensive and |  | 
    
      | complex. |  | 
    
      |  |  | 
    
      | Provides many more | Provides more security | 
    
      | security features. | than its predecessors, | 
    
      |  | but not as many as v8. | 
  
  
  
  
  
  
  
  
  
  
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