With the new firmware version v5.00, Zyxel enhances its portfolio of security services. The DNS Content Filter is less time consuming, and for mobile devices, there is no need to configure SSL-Inspection anymore.
How does it work?
The DNS content filter intercepts DNS requests from the client, checks the domain name category and takes the corresponding action:
How to configure
Configuration -> Security Service -> Content Filter -> DNS Content Filter
In the "Profile Management"-section you can define a new DNS Content Filter Profiles.
Based on your preferences, you can choose from the pre-defined categories.
After selecting your categories, you need to assign your profiles to a security policy. Unlike the web content filter, you need to assign the DNS Content Filter Profiles to the inbound and outbound security policies.