Network Services; Network Services::dns Lookup; Network Services::ftp - Red Hat NETWORK 3.7 Reference Manual

Appendix C. Probes
Field
Username
Password
MySQL Port*
Timeout
Critical Maximum Threads Running
Warning Maximum Threads Running
Warning Minimum Threads Running
Critical Minimum Threads Running
Table C-36. MySQL::Threads Running settings
C.8. Network Services
The probes in this section monitor various services integral to a functioning network. When applying
them, ensure their timed thresholds do not exceed the amount of time allotted to the timeout period.
Otherwise, an UNKNOWN status will be returned in all instances of extended latency, thereby nulli-
fying the thresholds.
C.8.1. Network Services::DNS Lookup
The Network Services::DNS Lookup probe uses the
or domain name specified in the Host or Address to look up field. It collects the following metric:
Query Time — The time in milliseconds required to execute the
•
This is useful in monitoring the status of your DNS servers. If you want to monitor one of your DNS
servers, supply a well-known host/domain name, such as a large search engine or corporate Web site.
Field
Host or Address to look up
Timeout*
Critical Maximum Query Time
Warning Maximum Query Time
Table C-37. Network Services::DNS Lookup settings
C.8.2. Network Services::FTP
The Network Services::FTP probe uses network sockets to test FTP port availability. It collects the
following metric:
Remote Service Latency — The time it takes in seconds for the FTP server to answer a connection
•
request.
Value
3306
15
command to see if it can resolve the system
dig
request.
dig
Value
10
163