OlanrewajuO.M., EchobuF.O. and MogajiA. 2021. MODELLING OF AN INTRUSION DETECTION SYSTEM USING C4.5 MACHINE LEARNING ALGORITHM. FUDMA JOURNAL OF SCIENCES. 4, 4 (Jun. 2021), 454 - 459. DOI:https://doi.org/10.33003/fjs-2020-0404-502.