An administrator is examining the attack logs and notices the following entry:
Based solely upon this log message, which of the following statements is correct?
A. This attack was blocked by the HTTP protocol decoder.
B. This attack was caught by the DoS sensor "protect-servers".
C. This attack was launched against the FortiGate unit itself rather than a host behind the FortiGate unit.
D. The number of concurrent connections to destination IP address 64.64.64.64 has exceeded the configured threshold.