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所在平台: Udemy |
课程主页: https://www.udemy.com/course/understanding-proxy-arp-on-cisco-routers-deep-dive-course/
课程评论：没有评论
**课程名称：** Understanding Proxy ARP on Cisco Routers - Deep Dive Course **课程概述：** 本课程深入探讨了网络中可能出现的看似异常的行为，例如不使用默认网关就能与其他子网通信的主机。课程将揭示这些现象背后的机制，特别是对思科路由器上 Proxy ARP 功能进行深度解析。 您将了解到 Proxy ARP 的工作原理，理解它如何使不配置默认网关的主机能够与其他子网通信，甚至使用位于自身子网之外的默认网关。课程还将阐述此功能如何影响设备的缓存，并据此指导如何进行最优的静态路由配置。 此外，本课程将重点关注 Proxy ARP 引发的安全隐患和漏洞，包括它可能被利用发起的拒绝服务（DoS）和中间人（MiTM）攻击，以及相应的缓解措施。 课程将以 GNS3 模拟的思科路由器为基础，进行大量实践操作，确保学习内容的实操性。 **学习目标：** * 理解 Proxy ARP 的基本概念和工作机制。 * 掌握 Proxy ARP 如何影响主机间的通信，尤其是在不使用默认网关的情况下。 * 学习 Proxy ARP 对设备缓存的作用，以及如何结合静态路由进行优化。 * 认识 Proxy ARP 带来的安全风险，包括 DoS 和 MiTM 攻击。 * 了解 Proxy ARP 的防御和缓解策略。 * 探讨 Proxy ARP 的实际应用场景。 本课程旨在通过 Proxy ARP 这一具体实例，帮助您深入理解网络协议的运作机制，享受学习的乐趣。
This course will help you understand some behaviors that seem strange or unusual in networking, such as hosts that do not use a default gateway to communicate with other subnets. You will understand how such things happen.You will understand the mechanisms of an important IP feature, which is the Proxy ARP feature.You will understand the disadvantages and security issues related to this feature, the attacks that it allows, and how to mitigate them.This course focuses on the practical side as much as possible, using Cisco routers emulated in GNS3.For example, we will see how the Proxy ARP feature allows hosts that do not use a default gateway to communicate with other subnets or to use a default gateway that is located outside their own subnet. We will see how this feature affects the cache of the devices, and therefore we will understand what the best way is to configure static routing. Additionally, you will see how both DOS (denial of service) and MiTM (Man in the Middle) attacks take advantage of the Proxy ARP feature. However, this feature was not there without a reason, so its usage cases will be explained.I hope that you will learn-and enjoy-from this course about how proxy ARP works as an example of networking protocols' mechanisms. Happy learning!
