164 Appendix C. ProbesThis probe supports authentication. Provide a username and password in the appropriate fields to usethis feature.The optional Expect value is the string to be matched against after a successful connectionis made to the FTP server. If the expected string is not found, the probe will return a CRITICAL state.Field ValueExpect FTPUsernamePasswordFTP Port* 21Timeout* 10Critical Maximum Remote Service LatencyWarning Maximum Remote Service LatencyTable C-38. Network Services::FTP settingsC.8.3. Network Services::IMAP MailThe Network Services::IMAP Mail probe determines if it can connect to the IMAP 4 service on thesystem. Specifying an optional port will override the default port 143. It collects the following metric:• Remote Service Latency — The time it takes in seconds for the IMAP server to answer a connectionrequest.The required Expect value is the string to be matched against after a successful connection is made tothe IMAP server. If the expected string is not found, the probe will return a CRITICAL state.Field ValueIMAP Port* 143Expect* OKTimeout* 5Critical Maximum Remote Service LatencyWarning Maximum Remote Service LatencyTable C-39. Network Services::IMAP Mail settingsC.8.4. Network Services::Mail Transfer (SMTP)The Network Services::Mail Transfer (SMTP) probe determines if it can connect to the SMTP porton the system. Specifying an optional port number will override the default port 25. It collects thefollowing metric:• Remote Service Latency — The time it takes in seconds for the SMTP server to answer a connectionrequest.
