We are using kerio control as a firewall and it has IDPS module which does a good. You can enable the log messages to check the intrusions been dropped at real time. I also like how it update its database like every after 10minutes or so.... 

In simple terms, it aid in the early detection of harmful behavior within a network. In my opinion, it gives an upper hand against any attcks... If configured properly and are using an excellent intrusion detection and prevention platform system, you can safely manage your…