HTTP X-Forwarded-For 介绍 | 菜鸟教程
https://www.runoob.com/w3cnote/http-x-forwarded-for.html
X-Forwarded-For_百度百科
https://baike.baidu.com/item/X-Forwarded-For/3593639
解决方案：
将域名：xxx.xxx.com修改为xxx.xxx.xxx.110:443.
原文：https://www.cnblogs.com/rgqancy/p/12979710.html