ltm rule command DNS tsig

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



DNS::tsig
       Manipulates the current DNS message and its TSIG resource record.

SYNOPSIS
       DNS::tsig 'remove'

       DNS::tsig 'exists'

DESCRIPTION
       This command manipulates the current DNS message and its TSIG resource
       record.

       Note: This command requires the DNS Profile, which is only enabled as
       part of GTM or the DNS Services add-on.

       Syntax

       DNS::tsig exists

	    * Returns a boolean for the TSIG's existence in the message.

       DNS::tsig removes

	    * Removes the TSIG from the message.

RETURN VALUE
VALID DURING
       GLOBAL_GTM

EXAMPLES
	when DNS_REQUEST {
	  if { [DNS::tsig exists] } {
	    DNS::tsig remove
	  }
	}

HINTS
SEE ALSO
CHANGE LOG
       @BIGIP-11.5.0 --First introduced the command.



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