In the first part of this article I touched upon HTTP and FTP monitoring, this time we shall learn how to monitor your DNS, UDP, POP, and SMTP servers.
1. If you want to be sure that your DNS server operates correctly all the time, you might want to set up DNS Server monitoring. In this case be ready to provide:
- Task Name: specify a name for the task, e.g.: My DNS Server Monitoring;
- Maximum Connection Timeout: the number of seconds that the monitoring agent (for the ?monitoring agent? concept explanation see Part I of the article) is going to try to get the URL resolved before the attempt is considered a failure.
- Server: the name of the DNS server;
- URL to Resolve: the URL that is going to be resolved, e.g. http://www.somehost.com;
2. User Data Protocol (UDP) monitoring:
- Task Name: specify a name for the task, e.g. UDP monitoring;
- Maximum Connection Timeout (in seconds): 60 is a usual value;
- Server: the server to be monitored, e.g. 122.88.27.11;
- Port: specify the port to use when monitoring agents will try to connect to your server;
3. Incoming Mail Server (POP) monitoring: website monitoring agents will try to login to your incoming mail server and get a correct response with a certain frequency.
- Task Name: specify a name for the task, e.g. POP Server Monitoring;
- Maximum Connection Timeout (in seconds): 60 is a usual value;
- Server: your POP3 server(incoming mail server), e.g. pop.somehost.com;
- Login to Server: select YES if you want the monitoring agent to login to your mail server. You will have to provide your e-mail account data for monitoring agents to log in. If you select NO, all the monitoring agent will be able to check is whether your server is up or not.
- User Name: a user name to log in to the POP server;
- Password: your e-mail password;
4. Outgoing Mail Server (SMTP) monitoring: website monitoring agents will connect to your SMTP Server and get a correct response with a certain frequency.
- Task Name: specify a name for the task, e.g. SMTP Server Monitoring;
- Maximum Connection Timeout (in seconds): 60 is a usual value;
- Server: SMTP server (your outgoing mail server), e.g. smtp.somehost.com;
5. Incoming Mail Server and Outgoing Full Cycle (SMTP/POP3) monitoring: website monitoring agents will try to send an e-mail and then receive it within a given period of time.
- Task Name: specify a name for the task, e.g. SMTP/POP monitoring;
- Maximum Connection Timeout (in seconds): 60 is a usual value;
- SMTP Server: your SMTP server name, e.g. smtp.somehost.com;
- Email to send a test message: e.g. my-email@somehost.com
- POP3 Server: your POP3 server name, e.g. pop.somehost.com;
- POP3 User Name: your username to login to the POP server;
- POP3 Password: your POP3 password;
- Maximum timeout for test message receiving: 60 is a usual default.
In the first two parts of this article we?ve learnt how to set up the most typical website monitoring tasks. In the next (and the last) part we shall take up notification options and fault toleration adjustment.
To be finished?
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