基于异构双流网络的加密隧道流量识别分类方法
首发时间:2024-06-21
摘要:加密流量识别对于保护网络安全、提升网络管理效率和保障用户隐私至关重要。传统深度学习模型的加密流量识别方法存在效果差、泛化能力弱等问题。为解决以上问题,本文提出了一种基于异构双流网络模型(DTSN,Different Two-Stream Network)的加密流量识别方法。本文通过流量的有效载荷序列生成流量图谱,使用残差网络提取其时间特征向量,同时利用数据包信息和卷积网络捕捉统计特征。随后,利用特征融合技术实现TLS隧道流量识别,以提高识别的准确率。在自己捕获的数据集中进行了实验,结果显示,对于流量识别问题,DTSN模型的准确率可达99.6%,比传统CNN模型提升了4.5%。以上实验结果证明,本文所提出的识别方案具有较高的准确率。
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Traffic Identification and Classification Method for Encrypted Tunnels based on Heterogeneous Dual-Stream Network
Abstract:Encryption traffic recognition is crucial for protecting network security, improving network management efficiency, and ensuring user privacy. The traditional deep learning model\'s encrypted traffic recognition methods have problems such as poor performance and weak generalization ability. To address the above issues, this paper proposes an encrypted traffic identification method based on the Heterogeneous Two Stream Network (DTSN) model. This article generates a traffic graph through the payload sequence of traffic, extracts its time feature vector using residual networks, and captures statistical features using packet information and convolutional networks. Subsequently, using feature fusion technology to achieve TLS tunnel traffic recognition, in order to improve the accuracy of recognition. Experiments were conducted on the dataset captured by oneself, and the results showed that for traffic recognition problems, the accuracy of the DTSN model can reach 99.6%, which is 4.5% higher than traditional CNN models. The above experimental results demonstrate that the recognition scheme proposed in this article has high accuracy.
Keywords: Model Identification Dual-stream Network Tunnel Technology
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