How To Improve Security Using The Built-In Firewall - Linksys WRT1900AC Mode D'emploi

To set up MAC filtering to allow one device access to your network:
• Log in to Linksys Smart Wi-Fi. (See "How to connect to Linksys Smart Wi-Fi" on
page 7.)
• Under Router Settings, click Wireless. The Wireless page will open.
• Click the MAC Filtering tab.
• Select Enabled next to MAC Filters, and select Allow access for ONLY the listed
MAC addresses.
• Click Add MAC Address. Enter the MAC address into the MAC Filter List and
click Save.
WRT 1900AC | Setting Up: Advanced

HOW TO IMPROVE SECURITY USING THE BUILT-IN FIREWALL

By default, the firewall settings in your router work well in most home environ-
ments. You don't need to make changes. The SPI (Stateful Packet Inspection) fire-
wall is enabled by default, and anonymous Internet requests and IDENT requests
are filtered by default. All web filters are disabled, because enabling them may
cause problems for sites that depend on ActiveX controls, Java, or cookies.
If you decide to change your firewall settings, log in to Linksys Smart Wi-Fi.
(See "How to connect to Linksys Smart Wi-Fi" on page 7.) Under Router Set-
tings, click Security. The Security page will open to the Firewall tab.
You can now change the following settings:
Tip:
For more descriptions of each setting, click Help at the top of the screen.
Firewall:
• SPI firewall protection — This helps protect your local network from Internet
threats. This option is enabled by default. On some router models, this setting is
separated into IPv6 and IPv4 options so that each can be handled separately.
Caution:
To help protect your network, you should keep this option enabled.
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