The first command deletes a rule from the INPUT chain that specifies packets destined for port 80 to be DROPped.

第一条命令从 INPUT 链删除规则，它指定 DROP 前往端口 80 的信息包。

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For example, if you wanted to use a running instance as a Web server, you would define a rule in your security group that connection requests on port 80 should be accepted from any machine.

例如，如果您想使用一个运行的实例作为一个Web服务器，那么您应该在您的安全组中定义一个规则：任何机器对端口80的连接请求都应该被接受。

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You first need to determine the port on which the Rule Team Server console is running

首先，您需要确定 Rule Team Server 控制台运行在哪个端口上

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