Help Center/ Anti-DDoS Service/ FAQs/ AAD FAQs/ Faults/ Error Message "Received fatal alert" Is Displayed After a Domain Name Is Bound to AAD
Updated on 2024-07-12 GMT+08:00

Error Message "Received fatal alert" Is Displayed After a Domain Name Is Bound to AAD

Symptoms

After a domain name is bound to AAD, the error Received fatal alert: handshake_failure; nested exception is javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure is reported. While it is normal before the binding operation.

Possible Causes

The callback platform client does not support SNI extension.

Solutions

The following suggestions are provided for clients that do not support SNI:

  1. Upgrade your browser to the new version or use browsers that support SNI extension, such as Chrome and Firefox.
  2. Upgrade the Java and OpenSSL versions of your client.
  3. Upgrade the JDK version to 1.8, which supports TLSv1.2 and is backward compatible.
  4. Third-party callbacks should use origin server IP addresses.