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https://www.yoube.net/2016/07/01/%e7%b6%b2%e7%ab%99http-headers%e9%85%8d%e7%bd%ae-%e5%be%9e%e8%a8%aa%e5%ae%a2%e7%ab%af%e6%8f%90%e5%8d%87%e7%ab%99%e9%bb%9e%e5%ae%89%e5%85%a8%e6%80%a7
網站HTTP headers配置-從訪客端提升站點安全性