Nagios Support Forum

Hello everyone, I have a question about host vs service. I know that a host is like the physical machine, and services are the items running on the host, like http, ftp etc. However, we have card readers on our network that we are monitoring. Under the host definition, we are using check-host-alive....

That message in english is "Destination port unreachable" which means that the ICMP port is blocked on the host being pinged. Why this would happen periodically I have no idea... unless the firewall on your host is being turned on and off at random :lol: Thanks! I actually just found some...

Hello everyone, I am pretty new to Nagios, and I have a question about some of the output. There are a bunch of services that go down in Nagios that appear to be random. They usually only go down for no more than 20 or 30 seconds. When they do go down, this is the output that Nagios produces. http:/...