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As we all know, Network Intrusion Detection systems (NIDS) can effectively detect network attacks. However, the existing network intrusion detection systems have the following defects: first of all, most current solutions often fail to accurately detect unknown attacks and have a high false alarm rate; second, the existing intrusion detection technologies require a lot of time overhead and training data, which are difficult to adapt to the real network environment. Therefore, it is necessary to solve the above problems. |