Answer | The SBG7400AC2 is equipped with a firewall that protects the network from common attacks. By default, the firewall is enabled. If needed, the firewall function can be disabled.  Disabling the firewall protection will not leave the network completely vulnerable to attack, but it is recommended to leave the firewall enabled whenever possible. This document describes how to setup the basic firewall options of the SBG7400AC2.
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Firewall Setup
- Launch a web browser, such as Internet Explorer, Firefox, or Safari.  Enter http://192.168.0.1 into the address box, and press the Enter key.  The Login page will appear.
NOTE: A security or private risk alert may appear on the web browser advising users to proceed with caution when accessing the Web Manager. There is no risk in proceeding to the Web Manager. For instructions to by-pass the alert screen, refer to article #Â 18181 - Alert Message for Web Manager Access.
 - On the Login page, enter admin in the User Name field.
 - Enter password or a customized password in the Password field.
NOTE: When using the default password to login, it may be required to set a unique password to proceed to the Web Manager. For assistance with Web Manager Access, refer to article # 18345 – SBG7400AC2: Web Manager Access.
 - Click the Apply button.  The System Basic Setup page will appear.
 - On the System Basic Setup page, click the Firewall link on the top menu.  The Firewall Settings page will appear.
 - On the Firewall Settings page, leave the option Enable Firewall as checked.
 - The following options can be enabled or disabled by checking or unchecking the option box. Checking the box enables the option, and unchecking the box disables the option. It is recommended to leave the options at their default settings.
- DoS Attack Protection: Enable or disable the DoS Attack Protection Firewall.
- Block Pings: Enable or disable Ping Blocking.
- IPSec Pass Through: Enable or disable IPSecc Pass Through.
- PPTP Pass Through: Enable disable PPTP Pass Through.
- L2TP Pass Through: Enable or disable L2TP Pass Through.
- Block Fragmented IP Packets: Enable or disable Block Fragmented IP Packets.
- Click the Apply button to save changes.  The Firewall Settings page will refresh.Â
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