# Blacklist and Whitelist

This section describes how to configure the blacklist and whitelist functions in the ATIC management center.

#### Procedure

1. Choose Defense > Policy Settings > Global Policy.
2. Click in the Operation column.
3. On the Blacklist or Whitelist tab, click , configure a global blacklist or whitelist.
4. Click Confirm. The configured blacklist or whitelist entry is displayed in the group box.
5. Click Close.
6. Click to deploy the configuration to the AntiDDoS.

Parent topic: Configuring Global Defense Policies

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