红帽全球峰会7.2.3. Cross-Frame Scripting (XFS)
allowed _iframe_embed 设置不允许 Dashboard 嵌入到 iframe 中。旧浏览器仍容易受到不同的Frame 脚本编写(XFS)漏洞的影响，因此这个选项为不需要的部署添加额外的安全强化。
您可以使用以下参数允许 iframe 嵌入：
parameter_defaults:
ControllerExtraConfig:
horizon::disallow_iframe_embed: false
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