ZyXEL Communications VPN Series Handbook page 590

Prerequisites before setting up Botnet Filter function
1. License status check
2. Update the Botnet Filter signature
License activation
Before setting up the Botnet Filter function, users need to make sure their licenses are
purchased and activated.
To check the license activation status:
Go to configuration > Licensing > Registration > Service and check on the
"Application Security" service which includes the Botnet Filtering function.
Update Botnet Filter Signatures
To make sure the device has the most updated signature, we suggest users to update
their Botnet Filter signature before using this function.
To update the Botnet Filter signature:
Go to Configuration > Security Service > Botnet Filter. Then click "Update Signatures"
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