SSL VPN网关作为一种新兴的VPN技术，与传统的IPSec VPN技术各具特色，各有千秋。SSL VPN比较适合用于移动用户的远程接入（Client-Site），而IPSec VPN则在网对网（Site-Site）的VPN连接中具备先天优势。-SSL VPN gateway, as a new VPN technology, and traditional IPSec VPN technology characteristics, and each has its advantages. S

NETRIVER IPsec协议实验。 实现了IPsec协议，AH协议，ESP协议。-NETRIVER IPsec Protocol Experiment. Implemented IPsec Protocl, AH Protocl, ESP Protocl.

IPSec AH and NAT AH integrity check covers addresses in the IP header. The integrity check fails at the destination due to NAT /reverse-NAT modifying these addresses. This applies to both AH transport and tunnel modes. Note that this does not appl

TCP层抓取TCP网络包工具，在调试通过IPsec信道通信时，能够查看到传输的TCP内容。-TCP layer packet capture tool, even through IPsec encrypted channel, you can also view the content of TCP transmission.