Users Guide

Security Commands 1144
dos-control sipdip
Use the dos-control sipdip command in Global Configuration mode to
enable Source IP Address = Destination IP Address (SIP=DIP) Denial of
Service protection. If the mode is enabled, Denial of Service prevention is
active for this type of attack. If packets ingress with SIP=DIP, the packets is
dropped if the mode is enabled.
Syntax
dos-control sipdip
no dos-control sipdip
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 SIP=DIP Denial of Service protection.
console(config)#dos-control sipdip
dos-control tcpflag
Use the dos-control tcpflag command in Global Configuration mode to
enable TCP Flag Denial of Service protections. If the mode is enabled, Denial
of Service prevention is active for this type of attack. If packets ingress having
TCP Flag SYN set and a source port less than 1024, having TCP Control
Flags set to 0 and TCP Sequence Number set to 0, having TCP Flags FIN,
URG, and PSH set and TCP Sequence Number set to 0, or having TCP Flags
SYN and FIN both set, the packets are dropped.