It is a kddcup99 dataset. It will be used in the datamining projects.

KDD cup 1999 Data. This is the data set used for The Third International Knowledge Discovery and Data Mining Tools Competition, which was held in conjunction with KDD-99 The Fifth International Conference on Knowledge Discovery and Data Mining.

KDD CPU 99 数据集 用于网络安全方向的数据分析，支持向量机的建立 机器学习，人工智能等(KDD CPU 99 data set Data analysis for the direction of network security and the establishment of support vector machine Machine learning, artificial intelligence, etc.)