• Rekha P
• Dr Amutha S

Network intrusion detection system (NIDSs) plays a important role in securing computer systems against various network attacks There are two types of network intrusion detection systems and they are network based intrusion detection system (NIDS) and host-based intrusion detection system (HIDS). Here the main concern is about defending the system against various attacks. There are many works done in the field of intrusion detection till now. In this paper we introduce Intrusion Detection System for various Network Attacks which uses the standard datasets such as KDD Cup datasets and NSL_KDD datasets to compare the data files sent by users. This paper mainly concentrate on four layer such as Prob Layer, Dos layer, R2L layer and U2R Layer to detect the infected file were both normal files and virus files are passed through and data files passes from source to destination through all four layers using layer selection algorithm. Were data is begin checked in each layer and only normal data is allowed to flow in and reach the destination and infected data are dropped immediately. Promising results have been obtained from our proposed system over the existing system

KDD Cup datasets and NSL_KDD datasets, layer selection algorithm, network security.

"Host Based Intrusion Detection System for Various Network Active Attacks ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.585-591, June-2019, Available :http://www.jetir.org/papers/JETIR1906A84.pdf

"Host Based Intrusion Detection System for Various Network Active Attacks ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp585-591, June-2019, Available at : http://www.jetir.org/papers/JETIR1906A84.pdf