With the help of monitoring can check the availability of the cloud server, the availability of ports, availability of databases, performance of mail servers, etc. Verification is carried out from points of presence located in London, New York, Yekaterinburg, Kiev, Amsterdam, Frankfurt, and Palo Alto.
Information about the results of the check is sent by e-mail, instant messaging protocol XMPP, private messages on Twitter, or in the form of SMS-messages to the mobile phone.
PING - to check if a connection to the server, helps to measure the latency and availability of verification points to the server;
- TCP - check the status of TCP-port;
- UDP - check the status of UDP-port;
- SSH - connection test without authorization, as well as checking the banner SSH;
- SMTP, POP3, IMAP - checking of e-mail service on the selected protocol;
- DNS - check the correctness of the conversion of a domain name in the IP-address on the specified resolver;
- HTTP GET - content inspection and the response code, as well as finding a substring in the returned data;
- HTTP HEAD - Lightweight request GET, allowing to check the document on the server response code without having to download the entire body of the document;
- HTTP basic authentication - checking mechanism basic authorization;
- HTTP digest - checking mechanism digest authentication;
- FTP - check FTP-servers;
- PostgreSQL - check the availability of the database server PostgreSQL;
- MySQL - check the availability of the database server MySQL;
- SSL - check validity of SSL-certificates for domain names.
