ltm rule command domain

iRule(1)		      BIG-IP TMSH Manual		      iRule(1)



domain
       Parses the specified string as a dotted domain name and returns the
       last portions of the domain name.

SYNOPSIS
       domain DOMAIN COUNT

DESCRIPTION
       A custom iRule function which parses the specified string as a dotted
       domain name and returns the last  portions of the domain name.

       Syntax

       domain  

	    * Parses the specified string as a dotted domain name and returns the
	      last * portions of the domain name.

RETURN VALUE
VALID DURING
       ANY_EVENT

EXAMPLES
	when HTTP_REQUEST
	if { [HTTP::uri] ends_with ".html" } {
	      pool cache_pool
	      set key [crc32 [concat [domain [HTTP::host] 2] [HTTP::uri]]]
	}
	...

	This code:

	 log local0. [domain www.sub.my.domain.com 1]	; # result: com
	 log local0. [domain www.sub.my.domain.com 2]	; # result: domain.com
	 log local0. [domain www.sub.my.domain.com 3]	; # result: my.domain.com
	 log local0. [domain www.sub.my.domain.com 4]	; # result: sub.my.domain.com
	 log local0. [domain www.sub.my.domain.com 5]	; # result: www.sub.my.domain.com
	 log local0. [domain www.sub.my.domain.com 6]	; # result: www.sub.my.domain.com

	This code:

	 log local0. [domain www.sub.my.domain.co.uk 1]   ; # result: uk
	 log local0. [domain www.sub.my.domain.co.uk 2]   ; # result: co.uk
	 log local0. [domain www.sub.my.domain.co.uk 3]   ; # result: domain.co.uk
	 log local0. [domain www.sub.my.domain.co.uk 4]   ; # result: my.domain.co.uk
	 log local0. [domain www.sub.my.domain.co.uk 5]   ; # result: sub.my.domain.co.uk
	 log local0. [domain www.sub.my.domain.co.uk 6]   ; # result: www.sub.my.domain.co.uk

	   (* A bug in v9.1.0 truncates last character if  = 1 or 2.)

HINTS
SEE ALSO
CHANGE LOG
       @BIGIP-9.0.0 --First introduced the command.



BIG-IP				  2017-01-31			      iRule(1)