Netgear GS110TP GS108T/ GS110TP Smart Switch Software Administration Manual - Page 43

Denial of Service Min TCP Hdr Size, Denial of Service First Fragment

Page 43 highlights

GS108T and GS110TP Smart Switch Software Administration Manual DoS Configuration The DoS Configuration page lets you to select which types of DoS attacks for the switch to monitor and block. To access the DoS Configuration page, click System  Management  Denial of Service > DoS Configuration. To configure individual DoS settings: 1. Select the types of DoS attacks for the switch to monitor and block and configure any associated values, as the following list describes. • Denial of Service SIP=DIP. Enable or disable this option by selecting the appropriate radio button. Enabling SIP=DIP DoS prevention causes the switch to drop packets that have a source IP address equal to the destination IP address. The factory default is Disable. • Denial of Service First Fragment. Enable or disable this option by selecting the appropriate radio button. Enabling First Fragment DoS prevention causes the switch to drop packets that have a TCP header smaller than the configured Min TCP Hdr Size. The factory default is Disable. • Denial of Service Min TCP Hdr Size. Specify the Min TCP Hdr Size allowed. If First Fragment DoS prevention is enabled, the switch will drop packets that have a TCP header smaller than this configured Min TCP Hdr Size. The factory default is 20 bytes. • Denial of Service TCP Fragment. Enable or disable this option by selecting the appropriate radio button. Enabling TCP Fragment DoS prevention causes the switch to drop packets that have an IP fragment offset equal to 1. The factory default is Disable. • Denial of Service TCP Flag. Enable or disable this option by selecting the appropriate radio button. Enabling TCP Flag DoS prevention causes the switch to Chapter 2: Configuring System Information | 43

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Chapter 2:
Configuring System Information
|
43
GS108T and GS110TP Smart Switch Software Administration Manual
DoS Configuration
The
DoS Configuration
page lets you to select which types of DoS attacks for the switch to
monitor and block.
To access the
DoS Configuration
page, click
System
Management
Denial of Service >
DoS Configuration
.
To configure individual DoS settings:
1.
Select the types of DoS attacks for the switch to monitor and block and configure any
associated values, as the following list describes.
Denial of Service SIP=DIP
. Enable or disable this option by selecting the appropriate
radio button. Enabling SIP=DIP DoS prevention causes the switch to drop packets
that have a source IP address equal to the destination IP address. The factory default
is Disable.
Denial of Service First Fragment
. Enable or disable this option by selecting the
appropriate radio button. Enabling First Fragment DoS prevention causes the switch
to drop packets that have a TCP header smaller than the configured Min TCP Hdr
Size. The factory default is Disable.
Denial of Service Min TCP Hdr Size
. Specify the Min TCP Hdr Size allowed. If First
Fragment DoS prevention is enabled, the switch will drop packets that have a TCP
header smaller than this configured Min TCP Hdr Size. The factory default is 20
bytes.
Denial of Service TCP Fragment
. Enable or disable this option by selecting the
appropriate radio button. Enabling TCP Fragment DoS prevention causes the switch
to drop packets that have an IP fragment offset equal to 1. The factory default is
Disable.
Denial of Service TCP Flag
. Enable or disable this option by selecting the
appropriate radio button. Enabling TCP Flag DoS prevention causes the switch to