High Bill Risk Warning
If your site is attacked or has malicious traffic coming, there may be sudden traffic spikes that result in a bill higher than your normal expenditures. This part describes the potential risks and solutions.
Risks
- Attacks and malicious traffic generate excessive bandwidth usage, and you need to pay significantly more than you usually do.
- The bill fee may exceed your account balance, resulting in an outstanding amount. For details about how to handle the outstanding amount, see Expiration and Overdue Payment.
Solutions
You can use the protection and notification functions by referring to the suggestions in Table 1 to reduce the risks caused by burst bandwidth.
Solution |
Description |
|---|---|
Access control |
You can use access control functions such as referer validation, IP address access control list (ACL), and URL validation for domain names to avoid unnecessary traffic or bandwidth consumption. For details, see Access Control. |
To ensure the integrity of statistics and accuracy of bills, a bill is usually generated after a billing cycle ends. For details, see Billing Options. Therefore, the bill time is later than the time when resources are consumed, so you cannot check the real-time resource consumption through bills. This is due to the distributed architecture of CDN PoPs. This method is widely used.
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