[外文翻译]浅谈arp攻击和防御.rar

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[外文翻译]浅谈arp攻击和防御,[外文翻译]浅谈arp攻击和防御包含中文翻译和英文原文,内容详细完整,建议下载参考!中文: 1870 字英文: 5398字符随着计算机网络的不断发展,局域网中arp病毒频繁发作,给用户造成不便。本文从arp协议入手,深入分析了arp安全漏洞及病毒攻击原理,并对arp欺骗的原理与攻击方式做了深入的研究,阐明了arp病毒欺...
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[外文翻译]浅谈ARP攻击和防御

包含中文翻译和英文原文,内容详细完整,建议下载参考!

中文: 1870 字
英文: 5398字符



随着计算机网络的不断发展,局域网中ARP病毒频繁发作,给用户造成不便。本文从ARP协议入手,深入分析了ARP安全漏洞及病毒攻击原理,并对ARP欺骗的原理与攻击方式做了深入的研究,阐明了ARP病毒欺骗的过程,给用户提出解决这个问题的方法。

1.引言
局域网里常见的是“ARP欺骗”木马病毒,病毒发作时其症状表现为计算机网络连接正常,能登陆成功却无法打开网页,极大地影响了局域网用户的正常使用。

2.ARP协议的工作原理
在以太网中传输的数据包是以太包,而以太包的寻址是依据其首部的MAC地址。仅仅知道某主机的IP地址并不能让内核发送一帧数据给此主机,内核必须知道目的主机的MAC地址才能发送数据。ARP协议的作用就是在于把32位的IP地址变换成48位的以太地址。
在以太局域网内数据包传输依靠的是MAC地址,IP地址与MAC对应的关系依靠ARP缓存表,每台主机(包括网关)都有一个ARP缓存表。在正常情况下这个缓存表能够有效保证数据传输的一对一性。我们可以在命令行窗口中,输入命令ARP-A,进行查看,输入命令ARP -D进行刷新 ......



The Attack and Defense of ARP

With the continuous development of computer networks, LAN ARP virus frequently attacks, causing inconvenience to users. This article from the ARP protocol to start, in-depth analysis of the ARP security vulnerabilities and virus attacks the principle and the principle and ARP cheating attack depth study done to clarify the process of ARP virus deception, to the user to solve this problem.
1.Introduction
LAN in common is the "ARP deception," Trojans, viruses attack their symptoms for the computer network connection to normal Successful landing but could not open the page, greatly influenced the LAN user's normal use.
2.ARP protocol works
In the Ethernet packet is transmitted Ethernet packets, and Ethernet packet addressing is based on the MAC address of its first. Only know the IP address of a host does not allow the kernel to send a data to the host, the kernel must know the MAC address of the destination host can send data. ARP protocol role is to integrate 32-bit IP address converted into 48-bit Ethernet address.
In the Ethernet LAN data packet transmission relies on the MAC address, IP address and MAC ARP cache to rely on the relationship between the corresponding table......