TP-Link T1600G-28PS T1600G-28PSUN V3 CLI Reference Guide Guide - Page 415

show ip dos-prevent

Page 415 highlights

type of packets to the TCP port139 (NetBIOS) of the host with the Operation System bugs, which will cause the host with a blue screen. ping-of-death --Ping of Death attack means that the attacker sends abnormal ping packets larger than 65535 bytes to cause system crash on the target computer. smurf --Smurf attack is a distributed denial-of-service attack in which large numbers of Internet Control Message Protocol (ICMP) packets with the intended victim's spoofed source IP are broadcast to a computer network using an IP broadcast address. Most devices on a network will, by default, respond to this by sending a reply to the source IP address. If the number of machines on the network that receive and respond to these packets is very large, the victim's computer will be flooded with traffic. Command Mode Global Configuration Mode Privilege Requirement Only Admin, Operator and Power User level users have access to these commands. Example Enable the DoS Defend Type named Land attack: T1600G-28TS(config)#ip dos-prevent type land 47.3 show ip dos-prevent Description The show ip dos-prevent command is used to display the DoS information of the detected DoS attack, including enable/disable status, the DoS Defend Type, the count of the attack, etc. Syntax show ip dos-prevent Command Mode Privileged EXEC Mode and Any Configuration Mode Privilege Requirement None. 394

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394
type of packets to the TCP port139 (NetBIOS) of the host with the Operation
System bugs, which will cause the host with a blue screen
.
ping-of-death ——Ping of Death attack means that the attacker sends
abnormal ping packets larger than 65535 bytes to cause system crash on the
target computer.
smurf ——Smurf attack is a distributed denial-of-service attack in which large
numbers of Internet Control Message Protocol (ICMP) packets with the
intended victim’s spoofed source IP are broadcast to a computer network
using an IP broadcast address. Most devices on a network will, by default,
respond to this by sending a reply to the source IP address. If the number of
machines on the network that receive and respond to these packets is very
large, the victim’s computer will be flooded with traffic.
Command Mode
Global Configuration Mode
Privilege Requirement
Only Admin, Operator and Power User level users have access to these
commands.
Example
Enable the DoS Defend Type named Land attack:
T1600G-28TS(config)#ip dos-prevent type
land
47.3
show ip dos-prevent
Description
The
show ip dos-prevent
command is used to display the DoS information of
the detected DoS attack, including enable/disable status, the DoS Defend
Type,
the count of the attack, etc.
Syntax
show ip dos-prevent
Command Mode
Privileged EXEC Mode and Any Configuration Mode
Privilege Requirement
None.