12-22
Cisco SCE 8000 10GBE Software Configuration Guide
OL-30621-02
Chapter 12 Identifying and Preventing Distributed Denial-of-Service Attacks
Preventing and Forcing Attack Detection
Use the following commands to configure or remove a dont-filter setting for or from a specified
situation:
From the SCE(config if)# prompt, type:
How to Remove All dont-filter Settings
From the SCE(config if)# prompt, type:
Forcing Attack Filtering
Attack filtering can be forced for a specified IP address/protocol. Forced attack filtering will continue
until undone by an explicit CLI command (either
no force-filter
or
dont-filter
).
•
How to Remove All force-filter Settings, page 12-23
Use the following commands to configure or remove a force-filter setting for or from a specified
situation:
Commands
Purpose
attack-filter dont-filter protocol (((TCP|UDP)
[dest-port (port-number
|not-specific))|ICMP|other) attack-direction
(((single-side-source|single-side-destination|sin
gle-side-both) (ip
ip-address
)|(dual-sided
source-ip
source-ip-address
destination-ip
dest-ip-address
)) side
(subscriber|network|both)
Configures a dont-filter setting for a specified
situation.
no attack-filter dont-filter protocol
(((TCP|UDP) [dest-port (port-number
|not-specific))|ICMP|other) attack-direction
(((single-side-source|single-side-destination|sin
gle-side-both) (ip
ip-address
)|(dual-sided
source-ip
source-ip-address
destination-ip
dest-ip-address
)) side
(subscriber|network|both)
Removes a dont-filter setting from a specified
situation.
Command
Purpose
no attack-filter dont-filter all
Removes all dont-filter settings.