Being able to view the status of your infrastructure from a web browser is a great functionality. Combined with an SSL-enabled web server or using VPN, it can allow people in your company to check the status of the entire network from any location in the world.
A large number of views can aid you in finding out what the root cause of your problem is. You can view objects by their groups as well as individual hosts and services.
There are also views for problems related to hosts and services that only show direct causes of problems, and skip issues that arose due to problems with other hosts or services.
The web interface also allows you to modify how Nagios behaves. It can also be used to configure individual hosts and services. You can also schedule host and service checks at a specified time. For example, you can use this to check whether the changes that your team has performed will resolve current problems.
The web interface also allows scheduling and managing host and service downtimes...