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diff --git a/src/content/posts/fenliu.md b/src/content/posts/fenliu.md
index 20ca66762..4db7bd051 100644
--- a/src/content/posts/fenliu.md
+++ b/src/content/posts/fenliu.md
@@ -6,5 +6,70 @@ image: ../assets/images/fenliu.png
 draft: false
 lang: ""
 ---
-# 👇Click the link read more...
-::url{href="https://acofork.notion.site/2e51e011d4e5800788f7cced97372cf1"}
\ No newline at end of file
+# 需分流的网站
+博客本体，主站
+::url{href="https://blog.acofork.com"}
+Umami，用于在网站插入一个JS来进行访客统计以及展示访客信息
+::url{href="https://umami.acofork.com/share/CdkXbGgZr6ECKOyK"}
+静态随机图，用于置顶文章Cover和整个网站的背景图
+::url{href="https://pic.acofork.com"}
+# 各CDN SSL申请方案
+
+### EdgeOne
+
+由于NS直接在EdgeOne，故直接申请
+![](../assets/images/fenliu-1.png)
+### ESA
+使用DCV委派
+![](../assets/images/fenliu-2.png)
+### Cloudflare
+使用HTTP验证，由于ACME验证节点在国外，所以它只会看到CNAME到Cloudflare的记录，从而签发SSL
+![](../assets/images/fenliu-3.png)
+# 源站类型
+
+### 静态型
+
+国内使用对应CDN的Page业务，海外使用Cloudflare Worker。至于为什么不将 `blog.acofork.com` 也放在EdgeOne Page，一是因为EdgeOne CDN和Page的WAF规则是分开的，而Page业务的WAF规则不是很好做海外封锁，二是因为EO在之前被打的时候将这个子域封了。而ESA Page可以很简单做到海外封禁
+![](../assets/images/fenliu-4.png)
+![](../assets/images/fenliu-5.png)
+![](../assets/images/fenliu-16.png)
+### 动态型
+
+国内使用IPv6回源（用户 - IPv4 - EO/ESA CDN - IPv6 - 源站）。至于为什么不用ESA，是因为ESA CDN回源非标端口需要像Cloudflare一样写一条回源规则，占用免费规则集5条中的其中之一
+![](../assets/images/fenliu-6.png)
+海外采用Cloudflare Tunnel（用户 - IPv4 - CF CDN - 内部连接 - 源站）
+![](../assets/images/fenliu-7.png)
+
+# 浏览器客户端实现监看当前访问节点
+
+利用浏览器JavaScript发送HEAD请求拿取对端响应头Server字段并回显（若跨域则需要设置 **Access-Control-Expose-Headers** 响应头，值为 **server**
+![](../assets/images/fenliu-12.png)
+![](../assets/images/ae6f93ce318fa428e94256c2b4a501e1.png)
+
+# 注意事项
+
+- ESA Page对超多资源和大文件支持很差。例如静态随机图项目无法部署到ESA Page（超出了2000个静态资产）
+- ESA CDN针对于回源非标端口和Cloudflare一样要通过写回源规则实现，很浪费规则，推荐使用EdgeOne CDN，可以随意指定回源端口
+![](../assets/images/fenliu-8.png)
+- 如果你要做分流业务，必须将域名NS托管在国内的DNS解析服务商，因为Cloudflare不支持域名分流解析，并且请将默认解析给CF，将境内解析给国内节点，不要反着来
+![](../assets/images/fenliu-9.png)
+- 分流的原理是DNS看查询的源IP，如果是国内则返回国内节点，海外则返回海外。也就是说你的出口IP决定访问的节点，若你开梯子（如美国），就算你在国内，访问到的也是海外节点
+- DCV委派只能写一条，如果你的NS在EO，可以写DCV给ESA，而Cloudflare使用HTTP验证，这一切都将是一劳永逸，全自动化的
+- Cloudflare SaaS 在接入外部域名时，非常建议选择 HTTP验证来签发SSL，下文会详细说明该验证模式的好处。我们都知道，Cloudflare SaaS 在创建的时候，对于申请SSL默认选项是 TXT验证，但是该方式并不好，我们都知道，使用TXT验证的确可以签发证书，但在3月后（上一个SSL证书过期后），我们需要及时更新TXT记录来重新申领新的SSL证书，但是HTTP验证就不是这样了，Cloudflare CDN会自动在边缘节点放上HTTP验证的文件，并且Cloudflare可以随时更改，这样，你就不需要在申领新SSL的时候做任何事情了，一切都由Cloudflare自动实现
+- Cloudflare SaaS接入外部域名后，对于该外部域名是可以享有所有Cloudflare单域名下服务（也包括Cloudflare Worker，参见： [Cloudflare Worker 优选](/posts/cf-fastip/#%E9%92%88%E5%AF%B9%E4%BA%8Ecloudflare-workers/)）。也可以配置规则等业务，你最终访问的是哪个域名就写哪个主机名，不要写回退源的主机名，除非你想让该规则仅在直接访问回退源时生效
+![](../assets/images/fenliu-11.png)
+![](../assets/images/fenliu-10.png)
+- Cloudflare Tunnel实际上是可以自定义生效的域名的，并非仅局限于账户内域名（虽然你在控制台看着是这样），我们可以通过抓包更改请求体来实现各种各样的域名，它没有验证，详见：[Cloudflare Tunnel 优选](/posts/cf-fastip/#%E9%92%88%E5%AF%B9%E4%BA%8Ecloudflare-tunnelzerotrust/)
+![](../assets/images/fenliu-13.png)
+- 分流做完后，一定要针对国内节点启用封锁海外模式，这能大大降低被DDoS致使CDN商给你域名取消接入的概率。Cloudflare随你，因为打不死，如果你的源站Hold不住，也请配置点策略。因为刷子（DDoS发起者可以通过强行绑定域名和IP来通过便宜量大的海外IP来攻击你脆弱的国内节点，如果什么防护都不做，很可能被刷几个TB的异常流量然后被CDN取消接入）
+![](../assets/images/fenliu-14.png)
+![](../assets/images/fenliu-15.png)
+# 成果展示
+
+### 博客本体
+
+![](../assets/images/https___blog.acofork.com__多地区多线路HTTP测速%20(1).png)
+### Umami
+![](../assets/images/https___umami.acofork.com__多地区多线路HTTP测速.png)
+### 随机图
+![](../assets/images/https___pic.acofork.com__多地区多线路HTTP测速.png)
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