E.5 BIND Resolver Statements
The following
statements are for the resolver configuration file,
/etc/resolv.conf.
E.5.1
domain
- Function:
Defines your resolver's local domain name
- Syntax:
domain domain-name - Example:
domain corp.hp.com
Covered in Chapter 6.
E.5.2
search
- Function:
Defines your resolver's local domain name and search list
- Syntax:
search local-domain-name next-domain-name-in-search-list
... last-domain-name-in-search-list - Example:
search corp.hp.com pa.itc.hp.com hp.com
Covered in Chapter 6.
E.5.3 nameserver
- Function:
Tells your resolver to query a particular name server
- Syntax:
nameserver IP-address - Example:
nameserver 15.255.152.4
Covered in Chapter 6.
E.5.4 ; and # (4.9+)
- Function:
Adds a comment to the resolver
configuration file
- Syntax:
; free-format-comment
or
# free-format-comment - Example:
# Added parent domain to search list for compatibility with 4.8.3
Covered in Chapter 6.
E.5.5 sortlist (4.9+)
- Function:
Specifies networks for your resolver to prefer
- Syntax:
sortlist network-list - Example:
sortlist 128.32.4.0/255.255.255.0 15.0.0.0
Covered in Chapter 6.
E.5.6 options
ndots (4.9+)
- Function:
Specifies the number of dots an argument must have in it so that the
resolver will look it up before applying the search list
- Syntax:
options ndots:number-of-dots - Example:
options ndots:1
Covered in Chapter 6.
E.5.7 options debug (4.9+)
- Function:
Turns on debugging output in the resolver
- Syntax:
options debug - Example:
options debug
Covered in Chapter 6.
E.5.8 options no-check-names (8.2+)
- Function:
Turns off name checking in the resolver
- Syntax:
options no-check-names - Example:
options no-check-names
Covered in Chapter 6.
E.5.9 options attempts (8.2+)
- Function:
Specifies the number of times the resolver should query each name
server
- Syntax:
options attempts:number-of-attempts - Example:
options attempts:2
Covered in Chapter 6.
E.5.10 options timeout (8.2+)
- Function:
Specifies the resolver's per-name server timeout - Syntax:
options timeout:timeout-in-seconds - Example:
options timeout:1
Covered in Chapter 6.
E.5.11 options rotate (8.2+)
- Function:
Rotates the order in which the resolver queries name servers
- Syntax:
options rotate - Example:
options rotate
Covered in Chapter 6.
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