| 检测任务 |
网络链路故障 |
供电故障 |
操作系统故障 |
服务拒绝或关闭 |
WEB |
DNS |
FTP |
MAIL |
错误代码 |
连接性能分析 |
下载性能分析 |
故障路由点诊断 |
消耗带宽 |
检测周期 |
检测节点 |
| 页面不存在 |
页面转移 |
程序执行错误 |
路由器劫持病毒 |
内容改变
/篡改 |
表达式匹配返回码校验 |
关键字匹配 |
网页错误截图 |
证书检查 |
内容转寄 |
记录被篡改 |
域名劫持 |
解析错误 |
上传故障 |
下载故障 |
收信故障 |
发信故障 |
| 网站可访问性 |
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☆ |
1-30分钟 |
随机3节点 |
| 网页系统错误 |
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1-30分钟 |
随机3节点 |
| 网页字节检查 |
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1-30分钟 |
随机3节点 |
| 网页内容检查 |
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1-30分钟 |
随机3节点 |
| 全面内容变化 |
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★★ |
1-30分钟 |
随机3节点 |
| 网页关键字 |
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1-30分钟 |
随机3节点 |
| 网页内容转寄 |
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定时器 |
随机1节点 |
| 交易流程监测 |
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★★ |
定制 |
定制 |
| DNS服务检测 |
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☆ |
5-60分钟 |
随机3节点 |
| FTP 服务检测 |
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1-30分钟 |
随机3节点 |
| POP3 服务检测 |
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1-30分钟 |
随机3节点 |
| SMTP 服务检测 |
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☆ |
1-30分钟 |
随机3节点 |
| IMAP4 服务检测 |
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☆ |
1-30分钟 |
随机3节点 |
| 邮件系统可用性 |
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☆ |
5分钟-1天 |
固定2节点 |
| NNTP 服务检测 |
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☆ |
1-30分钟 |
随机3节点 |
| TCP 端口检测 |
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☆ |
1-30分钟 |
随机3节点 |
| PING/ICMP检测 |
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☆ |
1-30分钟 |
3-15节点 |
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