TL-SL5428E
 
24-port 10/100Mbps + 4-port Gigabit L2 Managed Switch CLI Guide
 
77 
ping-rate ——Specify the transmission rate of the Ping packets when the 
Defend Type Ping Flooding is enabled. The options are 128K、256k、512k、1m、
2m、4m in bps. By default, the value is 128k. 
syn-rate ——Specify the transmission rate of the SYN/SYN-ACK packets when 
the Defend Type SYN/SYN-ACK Flooding is enabled. The options are 128K、
256k、512k、1m、2m、4m in bps. By default, the value is 128k. 
Command Mode 
Global Configuration Mode 
Example 
Specify the transmission rate of the Ping packets and the SYN/SYN-ACK 
packets as 256K and 1m: 
TP-LINK(config)# dos-prevent global 256k 1m 
dos-prevent type 
Description 
The  dos-prevent type command is used to select the DoS Defend Type. To 
disable the corresponding Defend Type, please use no dos-prevent type 
command.  
Syntax 
dos-prevent type [land] [scan-synfin] [xma-scan] [null-scan] [port-less -1024] 
[smurf] [blat] [ping-flood] [syn-flood] [win-nuke] 
no dos-prevent type [land] [scan-synfin] [xma-scan] [null-scan] [port-less -1024] 
[smurf] [blat] [ping-flood] [syn-flood] 
Parameter 
land —— Land attack. 
scan-synfin —— Scan SYNFIN attack. 
xma-scan —— Xma Scan attack. 
null-scan —— NULL Scan attack. 
port-less-than-1024 ——The SYN packets whose Source Port less than 1024. 
smurf —— Smurf attack. 
blat —— Blat attack. 
ping-flood —— Ping flooding attack.