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    <![CDATA[<p>这里是Snicoe自言自语的地方，随便写点东西，也没啥人看，所以看心情更新一些陈芝麻烂谷子的东西。</p><p>我可能不会经常维护此站点，也许可能永久不更新消失在汪洋互联网之中，会回来吗？也许吧，Good Luck！</p><p>社媒: <a href="https://www.instagram.com/snicoe0716" rel="noopener noreferrer" target="_blank">Instagram</a> | <a href="https://www.youtube.com/@snicoeofficial" rel="noopener noreferrer" target="_blank">Youtube</a> | <a href="https://x.com/snicoeofficial" rel="noopener noreferrer" target="_blank">X / Twitter</a></p><p>如果你使用了我的部分服务可以前往<a href="https://status0.arklink.org" rel="noopener noreferrer" target="_blank">Status</a>页面查看可用状态，全部服务均优先运行在IPv6网络。</p><p>本人生理男性并自认为男性，性取向正常，社恐一个，看心情回复❤️。</p>]]>
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    <title>GCP Cloud Engine 无法使用6in4 IPv6隧道</title>
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    <pubDate>Thu, 15 Jun 2023 16:01:00 GMT</pubDate>
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      <![CDATA[<p>这个其实很早之前就不支持，不过截至写这篇文章的时间，GCP目前允许的协议也就几种。</p><p>分别是AH、ESP、ICMP、SCTP、TCP	  、UDP</p><p>如果你使用防火墙规则指定allow protocol 41，防火墙也会直接丢包。</p><p><a href="https://cloud.google.com/load-balancing/docs/protocol-forwarding" rel="noopener noreferrer" target="_blank">https://cloud.google.com/load-balancing/docs/protocol-forwarding</a></p><p>所以你想要单栈VPC使用Hurricane Electric IPv6 Tunnel的6in4隧道基本不可能，可以放弃了，StackOverflow也有类似的例子。</p><p><a href="https://stackoverflow.com/questions/31066205/how-to-allow-protocol-41-6in4-through-the-gce-firewall" rel="noopener noreferrer" target="_blank">https://stackoverflow.com/questions/31066205/how-to-allow-protocol-41-6in4-through-the-gce-firewall</a></p><p>但AWS没有任何限制，实测HE和自建ipip tunnel和6to4都可以正常工作。</p>]]>
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