DVR 英特网访问配置指南 目录 1 概述..............................................................................................................................................2 2 端口映射配置...............................................................................................................................3 2.1 手动端口映射...................................................................................................................3 2.2 自动端口映射...................................................................................................................7 2.2.1 UPNP 映射..............................................................................................................7 2.2.2 DMZ 映射................................................................................................................9 3 DDNS 配置......................................................................................................................................9 3.1 dvrser DDNS 配置............................................................................................................9 3.2 CN99 DDNS 配置......................................................................................................12 3.3 n o -ip DDNS 配置.....................................................................................................13 3.4 dyndns DDNS 配置..................................................................................................14 4 端口映射验证.....................................................................................................................18 5 常见问题与解答..........................................................................................................................19 1 1 概述 为了远程访问安装于局域网内部的嵌入式硬盘录像机(DVR),有些情况下我们需要对DVR 进行端口映射和DDNS 设置。以下是各种宽带接入方式的情况: ISP 提供固定IP 一般来说都是采用专线接入...