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execution_failure_criteria w,u,c
}
; SSH Port
define command{
command_name check_conn_via_Black Box
command_line $USER1$/check_nrpe -H 192.168.254.147 -p 5666 -c
host_$HOSTNAME$_$ARG1$_$ARG2$
}
define service {
service_description SSH Port
host_name server
use generic-service
check_command check_conn_via_Black Box!tcp!22
}
define service {
service_description host-port-tcp-22-server
; host-port-<protocol>-<port>-<host>
host_name server
use generic-service
check_command check_conn_via_Black Box!tcp!22
active_checks_enabled 0
passive_checks_enabled 1
}
define servicedependency{
name Black Box_nrpe_daemon_dep
host_name Black Box
dependent_host_name server
dependent_service_description SSH Port
service_description NRPE Daemon
execution_failure_criteria w,u,c
}
10.4.2 Basic Nagios plug-ins
Plug-ins are compiled executables or scripts that can be scheduled to run on the console server to check
the status of a connected host or service. This status is then communicated to the upstream Nagios
server that uses the results to monitor the current status of the distributed network. Each console server
is preconfigured with a selection of the checks that are part of the Nagios plug-ins package:
check_tcp and check_udp are used to check open ports on network hosts
check_ping is used to check network host availability
check_nrpe is used to execute arbitrary plug-ins in other devices
Each console server is preconfigured with two checks that are specific to Black Box:
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