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This checks to make sure the nameserver (-H) has RRSIG records for the zone specified with more than WARNING or CRITICAL days before expiration.
Current Version
Last Release Date
February 18, 2010
Owner
Nagios Exchange
Compatible With
NAME check_dns_rrsig.pl - Verify RRSIG expiration for a zone. SYNOPSIS check_dns_rrsig.pl -H host -z zone [ options ] host: The server to query zone: The DNS zone to monitor. OPTIONS -z|--zone zone The DNS zone to monitor. -H|--host host The nameserver to query. -t timeout Specify the plugin timeout. Defaults to 15 seconds. -c|--critical critical threshold in days Specify the number of days remaining before raising a critical alert. Defaults to 14 days. -w|--warning warning threshold in days Specify the number of days remaining before raising warning alert. Defaults to 3 days. -V|--version Print the version number and exit -v|verbose Increase verbosity. DESCRIPTION This checks to make sure the nameserver (-H) has RRSIG records for the zone specified with more than WARNING or CRITICAL days before expiration. AUTHOR Copyright (c) 2010 Chan Wilson
Just the thing I needed not to be left without a valid signed zone. The issue I had (and spent some hours on it) was that while it was working perfectly from the command line, nagios kept complaining: Warning: Check of service 'DNSSECexpire' on host xy did not exit properly And the reason/cure is that the embedded perl finds an error - Variable "%opts" will not stay shared.. The solution is to explicitly turn off EPN by inserting in first 10 lines # nagios: -epn Works great since..
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