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NAMENet::DNS::RR::OPT - DNS OPT resource record
use Net::DNS; $opt = new Net::DNS::RR( type => "OPT", flags => 0x8000, # extended flags rcode => 0, # extended RCODE size => 1280, # UDP payload size );
All access to
METHODSThe available methods are those inherited from the base class augmented by the type-specific methods defined in this package.
Use of undocumented package features or direct access to internal data structures is discouraged and could result in program termination or other unpredictable behaviour.
$version = $rr->version; $rr->version( $version );
The version of
$size = $packet->edns->size; $more = $packet->edns->size(1280);
size() advertises the maximum size (octets) of
$extended_rcode = $packet->header->rcode; $incomplete_rcode = $packet->edns->rcode;
The 12 bit extended
$edns_flags = $packet->edns->flags; $do = $packet->header->do; $packet->header->do(1);
16 bit field containing
@option = $packet->edns->options; $octets = $packet->edns->option($option_code); $packet->edns->option( NSID => 'value' ); $packet->edns->option( 3 => 'value' );
When called in a list context, options() returns a list of option codes found in the
When called with a single argument, option() returns the octet string corresponding to the specified option. The function value is undefined if the specified option is absent.
Options can be changed by providing an argument list containing one or more (name => value) pairs to be added or modified. The effect of such changes is cumulative. An option is deleted if the value is undefined.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific prior written permission.
Portions Copyright (c)2012 Dick Franks.
Package template (c)2009,2012 O.M.Kolkman and R.W.Franks.