Akademik Veri Yönetim Sistemi
IEEE ACCESS, ss.1-16, 2023 (SCI-Expanded)
A Software-Defined Network (SDN) was designed to simplify network management by
allowing the control and management of the entire network from a single place. SDN is commonly used
in today’s data center network infrastructure, but new forms of threats such as Distributed Denial-of-Service
(DDoS), web attacks, and the U2R (User to Root) attack are significant issues that might restrict the
widespread adoption of SDNs. Intruders are attractive to SDN controllers because they are valuable targets.
An SDN controller can be hijacked by an attacker and used to route traffic in accordance with its own
needs, resulting in catastrophic consequences for the whole network. While the unified vision of SDN and
deep learning methods opens new possibilities for the security of IDS deployment, the effectiveness of the
detection models is dependent on the quality of the training datasets. Even though deep learning for NIDSs
has lately shown promising results for a number of issues, the majority of the studies overlooked the impact
of data redundancy and an unbalanced dataset. As a consequence, this may adversely affect the resilience
of the anomaly detection system, resulting in a suboptimal model performance. In this study, we created a
hybrid Convolutional Neural Network (CNN) and bidirectional long short-term memory (BiLSTM) network
to enhance network intrusion detection using binary and multiclass classification. The effectiveness of
the proposed model was tested and assessed using the most frequently used datasets (UNSW-NB15 and
NSL-KDD). In addition, we used the InSDN dataset, which is specifically dedicated to SDN. The outcomes
demonstrate the efficiency of the proposed model in achieving high accuracy and requiring less training time.