Reverse Connection in Delphi to bypass firewalls

在总结分析应用层的几种防火墙穿透技术基础上，提出了反向 连接结合 HTTP 隧道的防火墙穿透通信方法，设计并实现了 HTTP 隧道 防火墙穿透通信模块。 -after reviewing and analyzing several technologies of application-layer firewall penetration, this paper presents the firewall penetrating technology based on HTT