Describe antispoofing logging and how you can prevent it with ACLs.
What will be an ideal response?
Antispoofing is a way to prevent spoofing and ensure that no packets arrive at your security perimeter with a source address of your internal network or certain well-known or reserved addresses. Antispoofing is accomplished by using ACLs.
Your ACL should instruct the router to deny any inbound packet with a source address that matches your internal network, broadcast, and loopback addresses; illegal addresses, such as all 0s or all 1s; and multicast or experimental address classes. At the end of each rule in the ACL, specify that packets matching these conditions will be logged
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What is an expected percentage utilization for a network?
What will be an ideal response?
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