Wordfence: UNABLE TO ｕｐｄａｔｅ RULES

管理页面横幅（关闭之后一刷新又出来了）显示：

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The last rules ｕｐｄａｔｅ for the Wordfence Web Application Firewall was unsuccessful. The last successful ｕｐｄａｔｅ check was July 7, 2020 5:06 pm, so this site may be missing new rules added since then. You may wait for the next automatic attempt at July 21, 2020 5:07 pm or try to Manually ｕｐｄａｔｅ by clicking the “Manually Refresh Rules” button below the Rules list.

手动升级时显示：

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No rules were updated. Please verify your website can reach the Wordfence servers.

（疑似）解决方法：

通过跟支持人员的散装英语交流，某种程度上解决了问题。

设置php.ini

编辑/usr/local/php/etc/php.ini。

修改以下参数：

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max_execution_time = 300 memory_limit = 256M

修改好后重启PHP（或者重启整个lnmp也行）。

删除wflogs文件夹

删除该文件夹，让Wordfence重新生成该文件夹。

具体位置为：

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网站目录/wp-content/wflogs

直接rm -rf干掉就行。然后刷新网页，就应该已经重新生成了。