On 15/02/2022 09:38, Ian Diddams wrote:
if we set a hosts.cfg line
10.24.38.132? ? walkie # ssh dns
we can expect xymon to check that ssh connections exist for thats erver, and also does some sort of dns check.
what exactly IS this check?
Quote from the man page of hosts.cfg (Debian 11):
"DNS SERVER TESTS
?????? These tags are used to setup monitoring of DNS servers.
?????? dns??? Simple DNS test. It will attempt to lookup the A record for the hostname of the DNS server.
?????? dig??? This is an alias for the "dns" test. In xymonnet, the "dns" and "dig" tests are handled identically, so all of the facilities for testing described for the "dns" test are also available for the "dig" test.
?????? dns=hostname
?????? dns=TYPE:lookup[,TYPE:lookup...]
????????????? The default DNS tests will attempt a DNS lookup of the DNS' servers own hostname. You can specify the hostname to lookup on a DNS server by listing it on each test.
????????????? The second form of the test allows you to perform multiple queries of the DNS server, requesting different types of DNS records. The TYPE defines the type of DNS data: A (IP-address), MX (Mail eXchanger),? PTR? (re?
????????????? verse),? CNAME? (alias),? SOA? (Start-Of-Authority),? NS (Name? Server)? are? among? the? more? common? ones? used.? The "lookup" is the query. E.g. to lookup the MX records for the "foo.com" domain, you would use
????????????? "dns=mx:foo.com". Or to lookup the nameservers for the "bar.org" domain, "dns=ns:bar.org".? You can list multiple lookups, separated by commas. For the test to end up with a green status, all lookups must succeed."
Cheers
Christoph
becasue the dns on that server is runjning fine - but the xymon alert shopws red.
Service dns on walkie is not OK : Service unavailable
Name not found
Seconds: 0.007559000
any ideas please/? Ive googled and come up with nothing (though my googling skills are not the greatest)