Secure Mobile Access 100 10.2 Administration Guide

DNS Settings

The DNS settings section allows the administrator to specify a Primary DNS Server, Secondary DNS Server (optional). The Primary DNS Server is required.

For SMA appliances supporting connections from Apple iPhones, iPads, or other iOS devices using SonicWall Inc. Mobile Connect, the DNS Domain is a required field. This DNS domain is set on the VPN interface of the iPhone/iPad after the device makes a connection to the appliance. When the mobile device user accesses a URL, iOS determines if the domain matches the VPN interface’s domain, and if so, uses the VPN interface’s DNS server to resolve the hostname lookup. Otherwise, the Wi-Fi or 3G/4G DNS server is used that cannot resolve hosts within the company intranet.

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