Chapter 30 Configuration: Security
GS1900 Series User’s Guide
205
Fig ure 204 Configuration > Security > 802.1X > Port > Edit
The following table describes the labels in this screen.
30.5 Do S
The Switch protects against Denial of Service (DoS) attacks, such as Scan attack and Ping of Death. The
goal of DoS attacks is not to steal information, but to disable a device or network on the Internet.
By default, the DoS feature is disabled. You need to enable it on the Switch and its ports. See
Table 155
on page 207 for the types of DoS attacks that the Switch prevents when you turn on this feature. You
cannot set the Switch to block a specific type of DoS attacks.
Note: DoS protection does not work on LACP-enabled ports.
30.5.1 The G lo ba l Sc re e n
Use this screen to view the G loba l settings. Click Config ura tio n > Se c urity > DoS > G lob a l to open this
screen.
Table 151 Configuration > Security > 802.1X > Port > Edit
LABEL DESCRIPTIO N
802.1X Port
Port List Displays the port index value.
State Displays the Trust status as enabled or disabled.
Reauthentication
State
Specify if a subscriber has to periodically re-enter his or her username and password to stay
connected to the port. Select Ena ble to activate feature.
Reauthentication
Period
Specify how often a client has to re-enter his or her username and password to stay
connected to the port.
Quiet Period Display the time out period to transmit request after receiving a rejection from the sever.
Supplicant Period Display the time out period to transmit a request when the client does not respond.
Maximum Request
Retries
Enter the maximum number of request retries.
Apply Click Apply to save the changes.
Cancel Click C a nc e l to discard the changes.
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