要在Nginx中配置防止脚本抓取并提高性能，你可以采取以下一些措施
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配置防止脚本抓取：可以通过配置Nginx的反向代理服务器来防止脚本抓取。你可以使用Nginx的限制连接速率和限制并发连接的功能来防止恶意脚本的抓取。例如，可以使用limit_req_zone和limit_req指令来限制来自单个IP地址的请求速率，以减少对服务器的压力。
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启用缓存：配置Nginx的缓存功能可以显著提高性能，减少对后端服务器的请求次数。你可以使用proxy_cache指令来启用缓存，并根据需要进行调整。
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启用压缩：通过启用Nginx的gzip模块，可以对服务器返回的内容进行压缩，减少传输数据量，提高性能。
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调整连接超时和缓冲区大小：通过调整Nginx的连接超时和缓冲区大小，可以优化服务器的性能。你可以使用proxy_connect_timeout和proxy_buffer_size等指令来进行调整。
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使用CDN加速：将静态资源通过CDN加速，可以减轻服务器的负载，提高网站的访问速度。
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