TP-Link T3700G-28TQ T3700G-28TQ V1 UG - Page 305

DoS Defend, 14.6 802.1X

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14.5.1 DoS Defend On this page, you can enable the DoS Defend type appropriate to your need. Choose the menu Network Security→DoS Defend→DoS Defend to load the following page. Figure 14-18 DoS Defend The following entries are displayed on this screen:  Defend Config DoS Defend: Allows you to Enable/Disable DoS Defend function.  Defend Table Select: Select the entry to enable the corresponding Defend Type. Defend Type: Displays the Defend Type name. 14.6 802.1X The 802.1X protocol was developed by IEEE802 LAN/WAN committee to deal with the security issues of wireless LANs. It was then used in Ethernet as a common access control mechanism for LAN ports to solve mainly authentication and security problems. 802.1X is a port-based network access control protocol. It authenticates and controls devices requesting for access in terms of the ports of LAN access control devices. With the 802.1X protocol enabled, a supplicant can access the LAN only when it passes the authentication, whereas those failing to pass the authentication are denied when accessing the LAN.  Architecture of 802.1X Authentication 802.1X adopts a client/server architecture with three entities: a supplicant system, an authenticator system, and an authentication server system, as shown in the following figure. 294

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14.5.1 DoS Defend
On this page, you can enable the DoS Defend type appropriate to your need.
Choose the menu
Network Security
DoS Defend
DoS Defend
to load the following page.
Figure 14-18 DoS Defend
The following entries are displayed on this screen:
Defend Config
DoS Defend:
Allows you to Enable/Disable DoS Defend function.
Defend Table
Select:
Select the entry to enable the corresponding Defend Type.
Defend Type:
Displays the Defend Type name.
14.6 802.1X
The 802.1X protocol was developed by IEEE802 LAN/WAN committee to deal with the security
issues of wireless LANs. It was then used in Ethernet as a common access control mechanism for
LAN ports to solve mainly authentication and security problems.
802.1X is a port-based network access control protocol. It authenticates and controls devices
requesting for access in terms of the ports of LAN access control devices. With the 802.1X
protocol enabled, a supplicant can access the LAN only when it passes the authentication,
whereas those failing to pass the authentication are denied when accessing the LAN.
Architecture of 802.1X Authentication
802.1X adopts a client/server architecture with three entities: a supplicant system, an
authenticator system, and an authentication server system, as shown in the following figure.
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