Edit DDoS Protection

This section allows you to disable or enable DDoS support for CGN.  

To configure DDoS Protection:

  1. Navigate to DDoS Protection.
  2. On the DDoS Protection page, click Edit.
  3. On the Edit DDoS Protection page, update the required details and click Update.

    The confirmation message is displayed.

Field

Description

DDoS Protection for NAT Pool

Specify whether to enable or disable DDoS protection for CGN.

DDoS Protection Logging

Select whether to enable logging for DDoS protection events in CGN. When selective filtering identifies 2-tuples that are being flooded and drop the packets, A10 Control can log the number of packets over the threshold that are dropped.

Logging Action

Select whether DDoS mitigation for logging action is local, remote, or both.

  • Local: Logs are sent to the local buffer.
  • Remote: Logs are sent to the remote syslog server and IPFIX collectors.
  • Both: Logs are sent to both local buffer and remote servers.

Rate Limit Action for IP

 

Threshold

The packets-per-second threshold per IP.

The default value is set to 3000000.

Action Type

The type of action Drop, Log, or Redistribute route.

Route Map

A route map name. This field is enabled only when you select the Action Type field as redistribute route.

Action Expiration Timer

Set time to revert the action after pps is decreased to below threshold.

By default, the expiration time is set to 3600 seconds.

Remove Wait Time

Set time after which the IP will be removed from the blackhole.

Max Timer Multipliers

Set the maximum value of timer multiplier for attacks lasted long time.

By default, the maximum value of timer multiplier is set to 6.

Rate Limit Action for TCP

 

Threshold

The packets-per-second threshold per TCP port.

By default, the value is set to 3000.

Action Type

The type of action Drop or Log.

Action Expiration Timer

Set time to revert the action after pps is decreased to below threshold.

By default, the expiration time is set to 30 seconds.

Rate Limit Action for UDP

 

Threshold

The packets-per-second threshold per UDP port.

By default, value is set to 3000.

Action Type

The type of action Drop or Log.

Action Expiration Timer

Set time to revert the action after pps is decreased to below threshold.

By default, the expiration time is set to 30 seconds.

Rate Limit Action for Other L4 Protocols

 

Threshold

The configured packets-per-second threshold per L4 Protocols.

By default, the value is set to 10000.

Action Type

The type of action Drop or Log.

Action Expiration Timer

Set time to revert the action after pps is decreased to below threshold.

By default, the expiration time is set to 30 seconds.

Additional Actions

 

Including Existing Session

The count of the traffic associated with the existing session in packets-per-second.

By default, the value is set to disabled.

Disable NAT by Zone

The disabled NAT IP based on DDoS zone name set in BGP.

 

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