display anti-attack statistics

Function

The display anti-attack statistics command displays statistics about attack packets of a specified type.

If no parameter is specified, the display anti-attack statistics command displays statistics about attack packets of all types.

Format

display anti-attack statistics [ abnormal | fragment | tcp-syn | udp-flood | icmp-flood ]

Parameters

Parameter	Description	Value
abnormal	Displays statistics about malformed packets.	-
fragment	Displays statistics about defense against packet fragments.	-
tcp-syn	Displays statistics about defense against TCP SYN flood attacks.	-
udp-flood	Displays statistics about defense against UDP flood attacks.	-
icmp-flood	Displays statistics about defense against ICMP flood attacks.	-

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

The display anti-attack statistics command displays statistics on attack packets of the following types: malformed packet attack, packet fragment attack, TCP SYN flood attack, UDP flood attack, ICMP flood attack.

Example

# Display attack defense statistics.

<HUAWEI> display anti-attack statistics

Packets Statistic Information:                                                  
------------------------------------------------------------------------------- 
AntiAtkType  TotalPacketNum        DropPacketNum         PassPacketNum          
             (H)        (L)        (H)        (L)        (H)        (L)         
------------------------------------------------------------------------------- 
URPF          0          0          0          0          0          0         
Abnormal      0          0          0          0          0          0          
Fragment      0          0          0          0          0          0          
Tcp-syn       0          58         0          0          0          58         
Udp-flood     0          0          0          0          0          0          
Icmp-flood    0          0          0          0          0          0          
-------------------------------------------------------------------------------

**Table 1** Description of the display anti-attack statistics command output
Item	Description
Packets Statistic Information	Attack defense statistics.
AntiAtkType	Attack defense type: URPF: URPF check (The device does not support this parameter.) Abnormal: defense against malformed packets Fragment: defense against packet fragments Tcp-syn: defense against TCP SYN flood attacks Udp-flood: defense against UDP flood attacks Icmp-flood: defense against ICMP flood attacks
TotalPacketNum	Total number of packets.
DropPacketNum	Number of discarded packets.
PassPacketNum	Number of forwarded packets.
(H)	Highest-order bit display.
(L)	Lowest-order bit display.