# Packet Capture

- Packet Capture, Analysis and Report
  Packet capture is used to capture network traffic and locate network faults.
- Configuring the Packet Capture Length
  The packet capture length is the length of each packet captured by the AntiDDoS. Each AntiDDoS is configured with only one packet capture length, which applies to all capture tasks on the AntiDDoS.
- Managing Packet Capture Tasks
  The ATIC Management center provides the packet capture function by delivering packet capture tasks such as the ACL-based, global, attack event-based, and anomaly-based packet capture tasks to AntiDDoS. According to the packet capture tasks, anti-DDoS devices capture packets, generate packet capture files, and save the files to the anti-DDoS collector for future analysis.
- Managing Packet Capture Files
  The ATIC Management center captures packets that meet conditions in the packet capture task, and save them into a packet capture file. The packet capture file can be used by the administrator to view attack events, trace attack sources, parse attack packets, and extract fingerprints for obtaining features and details on attackers, so that suitable defense policies can be configured. The packet capture file can also be downloaded to the local for other operations.

Parent topic: Attack Response and Source Tracing

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