How Do I Check If CDN Is Being Maliciously Used?
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.
- Solutions
- Configure access control (including referer validation, IP address blacklist and whitelist, and token authentication) for domain names to avoid unnecessary traffic or bandwidth consumption. For details, see Access Control.
- Enable balance alert. If the available balance in your account is lower than a specific amount, the system will send you an SMS alert.
To ensure data integrity and accuracy of bills, a bill is usually generated after a billing cycle ends. Therefore, the bill time is later than the time when resources are consumed, and resource consumption cannot be reflected in real time through bills. This is due to the distributed architecture of CDN points of presence (PoPs).
Security FAQs
- What Security Capabilities (Anti-DDoS/CC Attack Defense/Anti-hotlinking) Does CDN Provide?
- Can I Configure Referer Validation to Prevent Hotlinking?
- Does CDN Support IP Address Filtering?
- How Does CDN Respond to CC Attacks?
- Does CDN Prevent Content Hijacking?
- Does CDN Have Anti-DDoS Capabilities?
- Can CDN, WAF, and AAD Be Used Simultaneously?
- Can Certificates Be Updated Without Service Interruption?
- If a Referer ACL Have Been Configured for an OBS Bucket, Will the Settings Take Effect on the CDN Side?
- Does CDN Detect Viruses in an Acceleration File?
- Can Multiple Certificates Be Configured for a Domain Name?
- Will the Traffic Pass Through WAF If Both CDN and WAF Are Configured?
- How Do I Check If CDN Is Being Maliciously Used?
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