云上网络安全

太过爱你忘了你带给我的痛 2022-12-12 01:57 247阅读 0赞

### 目录 ###

*  课程目标
 *   *  1.网络安全概述
     *   *  TCP/IP协议
         *  网络通信的五元组
         *  常见的网络安全问题
         *  各种网络攻击
         *  安全责任分担模型
     *  2.网络防火墙的使用
     *   *  安全组介绍
         *  安全组功能
         *   *  创建安全组
             *  配置规则
         *  安全组应用
     *  3.安全专有网络VPC
     *   *  VPC原理
         *  VPC与经典网络
         *  VPC功能
         *   *  1、自由可控的网络
             *  2、公网出入
             *   *   *  弹性公网IP与NAT网关的对比
             *  3、私网互联
     *  4.DDoS攻击介绍与防护措施
     *   *  DDoS攻击介绍
         *  DDoS的攻击原理
         *  谁面临DDoS攻击
         *  DDoS带来的危害
         *  DDoS常见防护措施
     *  5.如何用好阿里云的基础DDoS防护
     *   *  基础DDoS防护的主要功能
         *  基础DDoS的防护流程
         *  基础DDoS的开通方式
         *  基础DDoS防护配置
         *  安全信誉防护联盟
     *  6.通过高防IP抵御大规模DDoS攻击
     *   *  为什么要接入高防IP
         *  高防IP的原理
         *  高防IP的功能
         *  高防IP的接入
         *  高防IP的防护案例
         *  高防IP的开通
         *   *  注意

# 课程目标 #

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center]

## 1.网络安全概述 ##

### TCP/IP协议 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 1]

### 网络通信的五元组 ###

源IP、源端口、协议、目标IP、目标端口  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 2]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 3]城门打开意味着端口开放，允许自由进出城堡

### 常见的网络安全问题 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 4]

### 各种网络攻击 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 5][]

### 安全责任分担模型 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 6]

## 2.网络防火墙的使用 ##

### 安全组介绍 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 7]

### 安全组功能 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 8]

#### 创建安全组 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 9]

#### 配置规则 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 10]

### 安全组应用 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 11]

## 3.安全专有网络VPC ##

### VPC原理 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 12]

### VPC与经典网络 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 13]

### VPC功能 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 14]

#### 1、自由可控的网络 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 15]

#### 2、公网出入 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 16]

###### 弹性公网IP与NAT网关的对比 ######

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 17]

#### 3、私网互联 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 18]

## 4.DDoS攻击介绍与防护措施 ##

### DDoS攻击介绍 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 19]

### DDoS的攻击原理 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 20]

### 谁面临DDoS攻击 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 21]

### DDoS带来的危害 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 22]

### DDoS常见防护措施 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 23]

## 5.如何用好阿里云的基础DDoS防护 ##

### 基础DDoS防护的主要功能 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 24]

### 基础DDoS的防护流程 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 25]

### 基础DDoS的开通方式 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 26]

### 基础DDoS防护配置 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 27]

### 安全信誉防护联盟 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 28]

## 6.通过高防IP抵御大规模DDoS攻击 ##

### 为什么要接入高防IP ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 29]

### 高防IP的原理 ###

ISP: 互联网服务提供商（Internet Service Provider）  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 30]

### 高防IP的功能 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 31]

### 高防IP的接入 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 32]

### 高防IP的防护案例 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 33]

### 高防IP的开通 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 34]

#### 注意 ####

如果源站ip已经泄露，可以更换ip  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70_pic_center 35]

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