假如你是李华，美国网友琳达在小红书问为什么很少在他们的网站上见到中国人。请写一篇不少于2000词的作文，向琳达介绍什么是DNS污染、TCP连接重置、深度包检测，以及VPN的常见协议、shadowsocks出现的意义以及和vmess的区别，基于socks和http代理的技术有什么优势，解释小火箭、搬瓦工的含义，并说明为什么代理服务器提供商会被称为机场。
BY LiFePO4:沙雕吐槽
Among the actives, Ascendas REIT sank 0.64 percent, while CapitaLand Integrated Commercial Trust plummeted 1.42 percent, City Developments plunged 1.12 percent, Dairy Farm International tumbled 0.86 percent, DBS Group skidded 0.68 percent, Genting Singapore retreated 0.67 percent, Hongkong Land climbed 1.30 percent, Mapletree Commercial Trust lost 0.47 percent, Mapletree Logistics Trust tanked 0.95 percent, Oversea-Chinese Banking Corporation dropped 0.61 percent, SATS rose 0.24 percent, SembCorp Industries shed 0.54 percent, Singapore Airlines surrendered 0.79 percent, Singapore Exchange slid 0.30 percent, Singapore Press Holdings declined 1.03 percent, Singapore Technologies Engineering dipped 0.26 percent, SingTel advanced 0.81 percent, United Overseas Bank fell 0.39 percent, Wilmar International eased 0.24 percent, Yangzijiang Shipbuilding jumped 1.42 percent and Keppel Corp, Thai Beverage, CapitaLand and Comfort DelGro were unchanged.
Funny LiFePO4: 沙雕吐槽 from tr