ZyXEL Vantage CNM User Guide - Page 186

Signature Update

Page 186 highlights

Chapter 6 Device Security Settings Table 67 Device Operation > Device Configuration > Security > IDP > Anomaly TYPE DESCRIPTION Log Select the head of the Log column to generate logs for all rules included in an anomaly detection method. Select Log to generate a log when a match is found for the corresponding rule. Alert Select the head of the Alert column to activate the alert for all rules in an anomaly detection method. Select Alert to generate an alert log when a match is found for the corresponding rule. Action Select what the selected device should do when a packet matches a rule. No Action: The selected device takes no action when a packet matches the signature(s). Drop Packet: The packet is silently discarded. Drop Session: When the firewall is enabled, subsequent TCP/IP packets belonging to the same connection are dropped. Neither sender nor receiver are sent TCP RST packets. If the firewall is not enabled only the packet that matched the signature is dropped. Reset Sender: When the firewall is enabled, the TCP/IP connection is silently torn down. Just the sender is sent TCP RST packets. If the firewall is not enabled only the packet that matched the signature is dropped. Reset Receiver: When the firewall is enabled, the TCP/IP connection is silently torn down. Just the receiver is sent TCP RST packets. If the firewall is not enabled only the packet that matched the signature is dropped. Apply Reset Reset Both: When the firewall is enabled, the TCP/IP connection is silently torn down. Both sender and receiver are sent TCP RST packets. If the firewall is not enabled only the packet that matched the signature is dropped. Click this button to save your changes back to the device. Click this button to begin configuring this screen afresh. 6.10 Signature Update The device comes with built-in signatures created by the ZyXEL Security Response Team (ZSRT). These are regularly updated as new intrusions evolve. Use the Update screen to immediately download or schedule new signature downloads. Note: You should have already registered the device at myZyXEL.com (http:// www.myzyxel.com/myzyxel/) and also have either activated the trial license or standard license (iCard). If your license has expired, you will have to renew it before updates are allowed. 186 Vantage CNM User's Guide

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Chapter 6 Device Security Settings
Vantage CNM User’s Guide
186
6.10
Signature Update
The device comes with built-in signatures created by the ZyXEL Security Response
Team (ZSRT). These are regularly updated as new intrusions evolve. Use the
Update
screen to immediately download or schedule new signature downloads.
Note: You should have already registered the device at myZyXEL.com (http://
www.myzyxel.com/myzyxel/) and also have either activated the trial license or
standard license (iCard). If your license has expired, you will have to renew it
before updates are allowed.
Log
Select the head of the
Log
column to generate logs for all rules included
in an anomaly detection method. Select
Log
to generate a log when a
match is found for the corresponding rule.
Alert
Select the head of the
Alert
column to activate the alert for all rules in
an anomaly detection method. Select
Alert
to generate an alert log
when a match is found for the corresponding rule.
Action
Select what the selected device should do when a packet matches a
rule.
No Action
: The selected device takes no action when a packet matches
the signature(s).
Drop Packet
: The packet is silently discarded.
Drop Session
: When the firewall is enabled, subsequent TCP/IP
packets belonging to the same connection are dropped. Neither sender
nor receiver are sent TCP RST packets. If the firewall is not enabled only
the packet that matched the signature is dropped.
Reset Sender
: When the firewall is enabled, the TCP/IP connection is
silently torn down. Just the sender is sent TCP RST packets. If the
firewall is not enabled only the packet that matched the signature is
dropped.
Reset Receiver
: When the firewall is enabled, the TCP/IP connection is
silently torn down. Just the receiver is sent TCP RST packets. If the
firewall is not enabled only the packet that matched the signature is
dropped.
Reset Both
: When the firewall is enabled, the TCP/IP connection is
silently torn down. Both sender and receiver are sent TCP RST packets.
If the firewall is not enabled only the packet that matched the signature
is dropped.
Apply
Click this button to save your changes back to the device.
Reset
Click this button to begin configuring this screen afresh.
Table 67
Device Operation > Device Configuration > Security > IDP > Anomaly
TYPE
DESCRIPTION