tencent cloud

Tencent Cloud will send you alarm messages via the channels (including Message Center, SMS, and email) you configured in [Message Center -> Message Subscription](https://console.tencentcloud.com/message/subscription) when:

• An attack starts.
• An attack ended 15 minutes ago.
• An IP is blocked.
• An IP is unblocked.

You can modify the recipients and how they receive the alarm messages as needed.

Configuring the alarm threshold:

1. Log in to the Anti-DDoS Advanced (Global Enterprise Edition) console and select Anti-DDoS Advanced -> Alarm Thresholds on the left sidebar.
2. You can now set the Inbound Traffic Threshold Per IP, DDoS Cleansing Threshold and CC Traffic Cleansing Alarm.
   
3. Click the pencil icon next to thresholds to modify them, and click OK.
   
4. Click Advanced Settings of each section to enter its alarm setting list, and then click Modify to set different thresholds for each instance.
   • Setting the inbound traffic threshold for an IP
     
   • Setting the DDoS cleansing threshold
     
   • Setting the CC traffic cleansing alarm
     
5. Instances can be edited in batch. After selecting multiple instances, click Batch Modify to modify them.
   

How to Set Message Channel

1. Log in to your Tencent Cloud account and go to Message Center.

   Note：

   You can also log in to the console, click on the top bar, and click More to enter the Message Center.

2. Click Message Subscription in the left sidebar.
3. Tick message channels in Security Notification and click Modify Message Receiver.
   
4. Tick recipients on the setting page and click OK.