Dell PowerEdge M805 - Manual (Page 172)

140 Denial of Service Commands
www
.dell.com | support.dell.com
dos-control icmp
Use the dos-control icmp command in Global Configuration mode to enable Maximum ICMP
Packet Size Denial of Service protections. If the mode is enabled, Denial of Service prevention is
active for this type of attack. If ICMP Echo Request (PING) packets ingress having a size greater
than the configured value, the packets are dropped.
Syntax
dos-control icmp [size ]
no dos-control icmp
• size — Maximum ICMP packet size. (Range: 0-1023). If size is unspecified, the value is
512.
Default Configuration
Denial of Service is disabled.
Command Mode
Global Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example activates the Maximum ICMP Packet Denial of Service protection
with a maximum packet size of 1023.
console(config)#dos-control icmp 1023
dos-control l4port
Use the dos-control l4port command in Global Configuration mode to enable L4 Port Denial of
Service protection. If the mode is enabled, Denial of Service prevention is active for this type of
attack. If packets ingress having Source TCP/UDP Port Number equal to Destination TCP/UDP
Port Number, the packets are dropped.
Syntax
dos-control l4port
no dos-control l4port
Default Configuration
Denial of Service is disabled.