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.