为什么我不能ping我的Google Compute Engine实例的外部IP地址? [英] why can't I ping the external IP address of my Google Compute Engine instance?

问题描述

我创建了一个Google Compute Engine实例，但是无法ping它的外部IP地址(173.255.118.164).

I created a Google Compute Engine instance but can not ping its external IP address (173.255.118.164).

我可以通过gcutil ssh进入实例，但无法从家用计算机ping通外部地址.

I can ssh into the instance via gcutil, but I can not ping the external address from my home computer.

对于Amazon EC2，这很简单并且可以正常工作.

With Amazon EC2, this is straightforward and just works.

Google怎么了?

What's up with Google ?

推荐答案

默认情况下，除SSH外，所有传入流量都被阻止.要启用ICMP(ping)，可以通过运行以下命令来创建防火墙规则:

By default, all incoming traffic is blocked except for SSH. To enable ICMP (ping), you can create a firewall rule by running:

$ gcutil addfirewall allow-ping --allowed=icmp

这将允许您ping默认网络上的所有实例.也可以在云控制台->计算引擎->网络用户界面中创建防火墙规则.

This will allow you to ping all of your instances on the default network. Firewall rules can also be created in the Cloud Console --> Compute Engine --> Networks UI.

您还可以创建仅适用于实例组等的规则.有关网络和防火墙的文档中的详细信息.

You can also create rules which only apply to groups of instances, etc. Details in the documentation for Networks and Firewalls.

相同步骤适用于允许其他类型的流量.如果要允许HTTP通信，例如:

The same steps apply for allowing other kinds of traffic. If you want to allow HTTP traffic, for example:

$ gcutil addfirewall http --allowed=tcp:80

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