Dpi

Analyzing Zeek's built-in SSH brute force detection script, understanding its detection logic and threshold design.

分析Zeek内置的SSH暴力破解检测脚本，理解其检测逻辑和阈值设计。

Continuing POP3 protocol analysis — extracting and reconstructing email content.

继续POP3协议解析，实现邮件内容的提取和还原。

Using Zeek to parse POP3 protocol, exploring Zeek's API and event-driven protocol analysis.