After Outpost detects an attack and displays the "Port Scan Detected" message in the logs, it can be configured to avoid possible future attacks.
Select Options
Select Plug-Ins
Highlight Attack Detection
Click Settings
Specify the steps Outpost Firewall is to follow if an attack on your computer is detected:
Block the intruder IP for, if selected, blocks all network exchanges from the computer attacking yours for the number of minutes you set (60 minutes is the default).
Also block intruder subnet, if selected, blocks all network exchanges from the entire subnet to which the intruder belongs.
You can quickly access the plug-in's properties by right-clicking its name in the left panel of Outpost Firewall's main window.