markdown demo 学习

Posted 2021-11-28 bonelee

 

## <center>2019-05-08 12:05 DDoS攻击检测报告</center> ##

- **MME ID**： 1123424

- **DDoS攻击类型**：具有合法身份频繁断网入网导致的DDoS

- **攻击发生时段**：2019-05-08 12:00~2019-05-08 12:05

- **威胁等级**： **<span style="color:red">高</span>**

- **恶意UE群体检出数量**： 100万



### <center>MME RU单元CPU占用率情况</center> ###

<center>![RU CPU](./pictures/cpu_stat.png "RU CPU")</center>
<center>网元MME ID 各RU CPU趋势图</center>

- **CPU异常的RU单元**： RU_1234

- **CPU异常数值**： 93%


### <center>MME 信令流程计数情况</center> ###

<center>![RU CPU](./pictures/t.png "RU CPU")</center>

<center>网元MME ID信令流程计数趋势图</center>

- **MME信令流程计数预测值**:  10212225

- **MME信令流程计数实际值**:  145200222（超出预测值**<span style="color:red">900%</span>**）


### <center>信令流程计数增量排序详情</center> ###

<center>
<table style="border-collapse: collapse;">
 <tr>
    <th>序号</th>
    <th>信令类型</th>
	<th>信令增量</th>
	<th>占比</th>
  </tr>
  <tr>
    <td>1</td>
    <td>A(attach)</td>
	<td>123,432</td>
	<td>50%</td>
  </tr>
  <tr>
    <td>2</td>
    <td>B(detach)</td>
	<td>123,432</td>
	<td>50%</td>
  </tr>
</table>
</center>

### <center>恶意UE检出详情</center> ###

<table style="border-collapse: collapse;">
 <tr>
    <th>IMSI</th>
    <th>信令流程序列</th>
  </tr>
  <tr>
    <td>IMSI1231331</td>
    <td>A(attach, 12:03:59)->B(12:04:00)->C(detach,12:05:01)->A(attach, 12:03:59)->B(12:04:00)->C(detach,12:05:01)->A(attach, 12:03:59)->B(12:04:00)->C(detach,12:05:01)->A(attach, 12:03:59)->B(12:04:00)->C(detach,12:05:01)</td>
  </tr>
  <tr>
    <td>IMSI324543456</td>
    <td>A(attach, 12:03:59)->B(12:04:00)->C(detach,12:05:01)->A(attach, 12:03:59)->B(12:04:00)->C(detach,12:05:01)->A(attach, 12:03:59)->B(12:04:00)->C(detach,12:05:01)->A(attach, 12:03:59)->B(12:04:00)->C(detach,12:05:01)</td>
  </tr>
</table>

 

其中，直接使用table是为了解决markdown pad2免费版不支持报表问题。同时加入style为了去掉默认丑陋表格的边框。