iptables snat NAT网关的相关内容

iptables之SNAT与DNAT（二）

2.7重启网卡第二台web服务器准备工作结束2.8网络适配器选择VMnet1，192.168.100.0第三台window结束2.9开始配置2.10测试结果三、DNAT验证3.1DNAT概述DNAT 应用环境在Internet中发布位于局域网内的服务器DNAT原理修改数据包的目的地址DNAT转换前...

iptables之SNAT与DNAT（一）

前言Linux 防火墙在很多的时候承担着连接企业内、外网的重任，除了提供数据包过滤以外，还提供一些基本的网关应用。下面我们将了解防火墙中的SNAT 和DNAT策略。一、SNAT策略及应用1.1SNAT策略概述SNAT 应用环境局域网主机共享单个公网IP地址接入Internet （私有IP不能在Int...

[帮助文档] 如何通过iptables配置公网地址的DNAT,有哪些详细信息_云服务器 ECS(ECS)

免责声明：本文档可能包含第三方产品信息，该信息仅供参考。阿里云对第三方产品的性能、可靠性以及操作可能带来的潜在影响，不做任何暗示或其他形式的承诺。免责声明：概述本文主要介绍如何通过iptables配置公网地址的DNAT。详细信息本文的配置环境为A实例和B实例，A实例的公网地址为[$Public_I...

iptables实现网络防火墙功能,SNAT以及DNAT功能

iptables实现网络防火墙功能,SNAT以及DNAT功能一、网络防火墙的实现 1.环境准备：虚拟机vmware workstation 11 系统CentOS 7.3 软件包安装:y...

iptables防火墙详解(二)SNAT和DNAT

通过上一篇文章的学习，我们认识了Linux防火墙的表、链机构，并学会了编写简单的防火墙规则。Linux防火墙在很多时候承担着连接企业内、外网的重任，除了提供数据包过滤功能以外，有时还需要提供一些基本的网关应用。在配置SNAT和DNAT之前，需要开启Linux系统中的地址转发功能，否则数据无法通过防...

iptables实现网络防火墙(二)——SNAT与DNAT

前言在前面的文章中，我们曾经简单的介绍过Linux内核中防火墙的基本概念，以及四表五链的相关知识，可参看 LINUX 防火墙介绍。并且也介绍了如何在Linux环境中搭建一个能够过滤协议和端口...

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