Firewall – general firewall configuration settings – ARRIS TR3300-AC Users Guide User Manual
Page 25

Chapter 6: Advanced Configuration Options
Release 33 STANDARD 1.5 February 2015
TR3300-AC 802.11ac Wireless Router User Guide 25
Perform the following steps to set the wireless mode.
1. Access and log into the configuration interface.
2. Click the Wireless tab.
3. Click Basic Setup in the side menu to display the Advanced Settings screen.
4. Under Wireless 2.4 GHz or Wireless 5 GHz, select the proper mode from the Wireless
Mode drop-down list.
2.4 GHz Options: B only, G only, B/G mixed, and G/N mixed.
5 GHz Options: A only, A/N mixed, and A/N/AC mixed.
5. Click Apply at the bottom of the screen.
Note: Refer to
(page 42) for instructions on setting additional advanced wireless
configuration parameters.
Note: If you have both A and B running in your network, then throughput on the entire
wireless network will be reduced.
Firewall – General Firewall Configuration Settings
The Wireless Router is equipped with a firewall that will protect the network from a wide
array of common Denial of Service (DoS) attacks, including Ping of Death (PoD) attacks.
You can disable the firewall function if needed. Turning off the firewall protection will not
leave the network completely vulnerable to hacker attacks, but it is recommended that you
enable the firewall whenever possible.
Perform the following steps to enable the firewall and make general firewall settings.
1. Access and log into the configuration interface.
2. Click the Firewall tab.
3. Click Firewall Settings in the side menu to display the Firewall Settings screen.
4. Check the Enable Firewall checkbox to enable the firewall on the network.
5. Click Apply at the bottom of the screen.
6. Click WAN Ping Blocking in the side menu to display the WAN Ping Blocking
screen.
7. Check the Block ICMP Ping Enable checkbox to protect against PoD attacks.
8. Click Apply at the bottom of the screen.
Firewall – Configuring a Virtual Server (Port Forwarding)
The port forwarding function forwards inbound traffic from the Internet to a specified
single device on the network. Examples include allowing access to a web server on the