路由器分析

TCAM路由器查表技术分析

TCAM路由器查表技术分析○郭铸文为了充分解决路由器查表效率问题，许多高端路由器采用了专用的硬件查找技术TCAM（三进制内容可寻址存储器）方案，以硬件化的路由表查找和分组转发技术实现对各类数据包的快速分类和路由，同时支持ACL和...

路由器固件安全分析技术（一）

最后，对路由器分析还需要一些IDA插件的支持，terminal中输入git clone https://github.com/devttys0/ida.git，将整个目录中的py文件拷贝到/opt/ida/plugins中。此时启动后能够看到插件的生效如MIPS ROP Finder。2.BinWalk 如kali中安装带...

路由器固件安全分析技术（一）

必虎路由器大量高危漏洞分析

接下来我可以分析必虎路由器的通用网关接口和WEB界面了。当然，有很多种方式可以提取这个路由器的固件，我采用的是修改U-Boot参数开启网络，把全部的文件复制到我的电脑上。感兴趣的朋友可以看看这篇文章：《LinuxBootArgs》逆向分析现在...

必虎路由器大量高危漏洞分析

路由器集成桥接路由（IRB）模式分析

在下面的网络图中，当PCA试图连络PCB时，路由器R1检查到目标IP地址（PCB）是在同一网段，于是数据包被路由器R1从E0桥接到E1,而数据包是由BVI进行路由的。这样，IP协议在路由器既桥接又路由了。Current configuration:!version 12.0 service...

代理服务器的路由分析

此时的代理服务器中相当于存在两块接口卡，即一个网卡和一个调制解调器，可以把它看作是一个 路由器，为客户和外界提供路由转发功能，因此必须查看并调整服务器的路由设置，以保证服务器与客户的正常通讯。在服务器上进行拨号，在DOS模式下...

《智能路由器开发指南》——第2章开发环境及编译分析

本节书摘来异步社区《智能路由器开发指南》一书中的第2章，作者：张永智,李章明，更多章节内容可以访问云栖社区“异步社区”公众号查看第2章开发环境及编译分析智能路由器开发指南如果你想从事智能路由器OpenWrt开发，首先必须掌握如何...

《智能路由器开发指南》——2.2 编译脚本分析

本节书摘来异步社区《智能路由器开发指南》一书中的第2章，第2.2节，作者：张永智,李章明，更多章节内容可以访问云栖社区“异步社区”公众号查看 2.2 编译脚本分析 2.2.1 顶层目录概述OpenWrt代码有8个固定的顶层目录及6个编译时创建的临时...

《智能路由器开发指南》——2.2 编译脚本分析

2.2 编译脚本分析 2.2.1 顶层目录概述 OpenWrt代码有8个固定的顶层目录及6个编译时创建的临时目录，顶层的固定目录含义如表2-3所示。目录config是编译配置文件目录，是OpenWrt 15.05的新增目录，是将一些编译选项配置文件分类放在这里，...

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