ZyXEL Communications ATP800 - Page 532

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How To Detect and Prevent TCP Port Scanning with ADP
This is an example of using a ZyWALL/USG ADP (Anomaly Detection and
Prevention) Profile to protect against anomalies based on violations of protocol
standards (RFCs – Requests for Comments) and abnormal traffic flows such as
port scans.
ZyWALL/USG with ADP Profile Setting Example
Note: All network IP addresses and subnet masks are used as examples in this article.
Please replace them with your actual network IP addresses and subnet masks. This example
was tested using USG310 (Firmware Version: ZLD 4.25).