The Port Edit Screen; Dos Attack Types - ZyXEL Communications GS1900 Series User Manual

Table 153 Configuration > Security > DoS > Port (continued)
L ABEL
Edit
Cancel
30.5.3 T he Po rt Edit Sc re e n
Use this screen to configure the
Click
C o nfig ura tio n
Configuration > Security > DoS > Port > Edit
Fig ure 207
The following table describes the labels in this screen.
Table 154 Configuration > Security > DoS > Port > Edit
L ABEL
Port
Port List
State
Apply
Cancel
30.5.4 Do S Atta c k T ype s
The following table describes the types of DoS attacks that the Switch can prevent when you enable the
DoS feature on the Switch and the ports.
Table 155 DoS Attack Types
T YPE
DA_EQUAL_SA
LAND
UDP_BLAT / TCP_BLAT (Blat
Attack)
Chapter 30 Configuration: Security
DESC RIPT IO N
Select this check box to configure the properties of a port. Click the
properties of the port.
Click to discard the changes.
C a nc e l
settings.
Po rt
> > > >
Se c urity Do S Po rt
DESC RIPT IO N
Displays the port index value.
Select to activate the port's DoS feature.
Ena b le
Click to save the changes.
Apply
Click to discard the changes.
C a nc e l
PAC KET T YPE
Layer 2
Layer 3 IPv4/IPv6
Layer 3 IPv4/IPv6
GS1900 Series User's Guide
207
to open this screen.
Edit
DESC RIPT IO N
These attacks result from sending a specially crafted packet to
a machine where the source MAC address is the same as the
destination MAC address. The system attempts to reply to itself,
resulting in system lockup.
These attacks result from sending a specially crafted packet to
a machine where the source host IPv4/IPv6 address is the same
as the destination host IPv4/IPv6 address. The system attempts
to reply to itself, resulting in system lockup.
These attacks result from sending a specially crafted packet to
a machine where the source host UDP/TCP port is the same as
the destination host UDP/TCP port. The system attempts to reply
to itself, resulting in system lockup.
button change the
Edit