ZyXEL Vantage CNM User Guide - Page 184

Chapter 6 Device Security Settings Table 66 Device Operation > Device Configuration > Security > IDP > Signature (Query View) (continued) LABEL DESCRIPTION Log Select this check box to have a log generated when a match is found for a signature. Select the check box in the heading row to automatically select all check boxes or clear it to clear all entries on the current page. Alternatively, you may select or clear individual entries. The check box becomes gray when you select the check box. Alert If you edited any of the check boxes in this column on the current page, use the check box in the heading row to switch between the settings (last partial edited, all selected and all cleared). You can only edit the Alert check box when the corresponding Log check box is selected. Select this check box to have an e-mail sent when a match is found for a signature. Select the check box in the heading row to automatically select all check boxes or clear it to clear all entries on the current page. Alternatively, you may select or clear individual entries. The check box becomes gray when you select the check box. Action Apply Reset If you edited any of the check boxes in this column on the current page, use the check box in the heading row to switch between the settings (last partial edited, all selected and all cleared). You can change the default signature action here. See Table 64 on page 179 for more details on actions. Click this button to save your changes back to the device. Click this button to begin configuring this screen afresh. 6.9.6 Protocol Anomaly This section introduces ADP (Anomaly Detection and Prevention). An ADP system protects against anomalies based on violations of protocol standards (RFCs - Requests for Comments) and abnormal flows such as port scans. Protocol anomaly detection includes HTTP Inspection, TCP Decoder, UDP Decoder and ICMP Decoder. Protocol anomaly rules may be updated when you upload new firmware. 184 Vantage CNM User's Guide