Red Hat NETWORK 4.0 -, Справочное руководство

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234 Appendix C. Probes
•
Remote Service Latency — The time it takes in seconds for the IMAP server to answer
a connection request.
The required Expect value is the string to be matched against after a successful connec-
tion is made to the IMAP server. If the expected string is not found, the probe returns a
CRITICAL state.
Field Value
IMAP Port* 143
Expect* OK
Timeout* 5
Critical Maximum Remote Service Latency
Warning Maximum Remote Service Latency
Table C-39. Network Services::IMAP Mail settings
C.8.4. Network Services::Mail Transfer (SMTP)
The Network Services::Mail Transfer (SMTP) probe determines if it can connect to the
SMTP port on the system. Specifying an optional port number overrides the default port
25. It collects the following metric:
•
Remote Service Latency — The time it takes in seconds for the SMTP server to answer
a connection request.
Field Value
SMTP Port* 25
Timeout* 10
Critical Maximum Remote Service Latency
Warning Maximum Remote Service Latency
Table C-40. Network Services::Mail Transfer (SMTP) settings
C.8.5. Network Services::Ping
The Network Services::Ping probe determines if the RHN Server can
ping
the monitored
system or a specified IP address. It also checks the packet loss and compares the round trip