User's Manual

Wireless-N 300 Modem Router DGN2200 User Manual
3-3 Protecting Your Network
v1.0, November 2009
Changing the Administrator Login Time-out
For security, the administrator’s login to the wireless-N modem router configuration times out
after a period of inactivity. To change the login time-out period:
1. In the Set Password screen, type a number in the Administrator login times out field. The
suggested default value is 5 minutes.
2. Click Apply to save your changes, or click Cancel to keep the current period.
Blocking Keywords, Sites, and Services
The wireless-N modem router provides a variety of options for blocking Internet-based content
and communications services. With its content filtering feature, the wireless-N modem router
prevents objectionable content from reaching your PCs. The wireless-N modem router allows you
to control access to Internet content by screening for keywords within Web addresses. Key content
filtering options include:
• Keyword blocking of HTTP traffic.
• Outbound service blocking. Limits access from your LAN to Internet locations or services that
you specify as off-limits.
• Denial of service (DoS) protection. Automatically detects and thwarts denial of service (DoS)
attacks such as Ping of Death, SYN flood, LAND Attack, and IP spoofing.
• Blocking unwanted traffic from the Internet to your LAN.
Blocking Sites
To block keywords and sites:
1. Log in to the wireless-N modem router at its default LAN address of http://192.168.0.1 with
its default user name of admin and default password of password, or using whatever
password and LAN address you might have previously set for the wireless-N modem router.
2. In the main menu, under Content Filtering, select Block Sites to display the following screen: