elide ns_log_maint < info, keep other ns_log_maint messages

[Mark_Andrews at isc.org]

	The following should work.

	logging {
		channel "syslogwarning" { syslog daemon; severity warning; };
		category "maintenance" { syslogwarning; };
	};

	Mark

> 
> bind version: 8.2.5
> platforms: various UNIX
> 
> I did some google and dejanews searching, but couldn't find anyone that
> had asked or answered this question, so here goes.
> 
> For our caching-only nameservers, I'm already using null-logging for the
> lame-servers and statistics groups, and I'm very happy with that.  Now
> I also want to get rid of the
> 
> 	Cleaned cache of N RRsets
> 
> messages.  I know I could add
> 
> 	category maintenance { null; };
> 
> to my logging directives, but from what I can tell, that will cease logging
> for *all* maintenance messages, including messages at a level higher than
> info.
> 
> I could also change the syslog config (not a good option, because of other
> services that are running that I want to see LOG_INFO messages for) or just
> filter the logs, but I would prefer to find a way to prevent bind from
> logging maintenance messages of importance "info" or less, while keeping
> the more important messages.
> 
> Any suggestions for how to do this?  It's not obvious that it even can be
> done, based on the the `logging' section of the docs.
> 
> Thanks,
> 
> Tim
> -- 
> Tim Mooney                              mooney at dogbert.cc.ndsu.NoDak.edu
> Information Technology Services         (701) 231-1076 (Voice)
> Room 242-J6, IACC Building              (701) 231-8541 (Fax)
> North Dakota State University, Fargo, ND 58105-5164
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org