Actual combat Broadband ADSL firewall configuration

Now is the era of the hacker civilian, stay in their home on the internet are likely to be "shot", and occasionally attack you, will make you head big. Fortunately, many broadband cats have built-in firewall function, as long as we open the function, we can make our ADSL internet more secure, more secure.

First, landing broadband cats.

There are many ways to access a broadband cat, in order to facilitate the article description, we here in the WYSIWYG Web management method landing.

Open IE Browser, in the Address bar to enter a broadband cat's IP, press ENTER, appear as shown in Figure 1 Landing box, enter the username and password, click "OK" button. Then we can see the Broadband cat configuration interface.

Hint: Broadband Cat IP can refer to the specification input!

Second, configure the firewall.

Click to expand the Services list and select the Firewall command entry, where we can see a detailed configuration item for the firewall on the right side of the window (Figure 2). The following is a description of the firewall configuration to the reader.

Blacklist

The top is the "blacklist status" setting, that is, whether to enable the broadband cat blacklist filtering status, "Enable" to Enable, "Disable" for disabled, it is recommended to enable the item. In addition to the blacklist cycle (minutes), is the specified time (in minutes) within the designated computer's IP address will be in the blacklist state.

Attack protection

The purpose of our firewall is to guard against other people's attacks, so the "attack protection" option is set to "enable" to enable the firewall protection of the broadband cat, and for "DOS protection", it is also recommended to choose Enable. This allows you to start service protection for a variety of Dos attacks, recommended for selection.