Computer networks continue to experience growth, both of scalability, the number of nodes and the technology used.This requires a good network management so thatnetwork availability is always high. Network management tasks that do network administrators have a lot of problems, including that related to computer network security.As more users on a network then the level of network security is also a fundamentalquestion. Have access to an Internet network is secure? As a step in order to anticipatethe user\u27s naughty, it must select a good network security. Intrusion Detection System(IDS) is one option to improve network security in a network both intranetand internet.
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