Network Security Glossary of Terms


ACL (access control list): A method of keeping in check the internet traffic that attempts to flow through a given hub, router, firewall, or similar device. Access control is often accomplished by creating a list specifying the IP addresses and/or ports from which permitted traffic can come. The device stops any traffic coming from IP addresses or ports not on the ACL.

Address space probe: An intrusion technique in which a
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  • Laura Ascione