With respect to the application identification feature of Trellix IPS, the following are referred to as applications:
Network connections over a specific protocol, for example, HTTP, DHCP, and FTP.
A specific computer application accessed over a network, for example, Facebook, Yahoo! Instant Messenger, and Gmail.
Trellix creates signatures for applications based on an ongoing research. This involves creating signatures for applications for which there were no signatures earlier. This also involves removing signatures for invalid and obsolete applications. These application signatures enable the Sensors to accurately detect the applications on your network.
The application signatures are bundled as part of the regular signature set that the Trellix IPS Update Server downloads to the Manager. So, if the Manager is connected to the Trellix IPS Update Server, the application database of your Trellix IPS remains up-to-date.