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Number of attacks as of late has immensely expanded because of the expansion in Internet exercises. This security issue has made the Intrusion Detection Systems (IDS) a noteworthy channel for data security. The IDS's are created to in the treatment of attacks in PC frameworks by making a database of the typical and unusual practices for the recognition of deviations from the ordinary amid dynamic interruptions. The issue of classification time is enormously diminished in the IDS through component choice. This paper is proposing the usage of IDS for the successful location of attacks. In view of this, the Firefly Algorithm (FA), another paired element determination calculation was proposed and executed. The FA chooses the ideal number of highlights from NSL dataset. Moreover, the FA was connected with multitargets relying upon the classification precision and the quantity of highlights in the meantime. This is a proficient framework for the discovery of attacks decrease of false alerts. The execution of the IDS in the location of attacks was improved by the proposed classification and highlight choice techniques.

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The term weight is based on the frequency with which the term appears in that document. The term weighting scheme measures the importance of a term with respect to a document and a collection. A term with higher weight is more important than a term with lower weight. A document ranking model uses these term weights to find the rank of a document in a collection. We propose a cluster-based term weighting models based on the TF-IDF model. This term weighting model update the inter-cluster and intra-cluster frequency components uses the generated clusters as a reference in improving the retrieved relevant documents. These inter cluster and intra-cluster frequency components are used for weighting the importance of a term in addition to the term and document frequency components.