AnyConnect为思科推出的VPN客户端，目前已有Windows、Android、iOS、OS X、Ubuntu、WebOS等操作系统的客户端。AnyConnect主要作用是方便员工在任何设备上安全地办公，也有部分**大陆用户利用AnyConnect bypass GFW。

OpenConnect is an open-source software application for connecting to virtual private networks (VPN), which implement secure point-to-point connections.

It was originally written as an open-source replacement for Cisco's proprietary AnyConnect SSL VPN client, which is supported by several Cisco routers. As of 2013, the OpenConnect project also offers an AnyConnect-compatible server, ocserv, and thus offers a full client-server VPN solution.

OpenConnect是一个开源软件应用程序，用于连接虚拟专用网络（VPN），实现安全的点对点连接。

它最初是作为思科专有的AnyConnect SSL VPN客户端的开源替代品，由几个思科路由器支持。 截至2013年，OpenConnect项目还提供与AnyConnect兼容的服务器ocserv ，从而提供完整的"客户端--服务器"VPN解决方案。

also see:

Openconnect VPN project

OCSERV: Openconnect VPN Server

服务器端的代替： ocserv (openconnect server on linux)

also see:

OCSERV: Openconnect VPN Server

Mirror of official ocserv repository

客户端的代替： openconnect (on linux, windows, and Mac )

also see:

openconnect/openconnect-gui

openconnect/openconnect

wget -N --no-check-certificate https://raw.githubusercontent.com/st286/ocserv-openconnect-anyconnect/master/ocserv.sh

chmod +x ./ocserv.sh

./ocserv.sh

ocserv version: 0.12.3

also see:

lllvcs/ocserv

上面的脚本，适应于Debian, ubuntu. 对于Centos，参考:

chendong12/ocserv

for macOS:

brew cask install openconnect-gui

also see for other OS:

使用openconnect代替cisco anyconnect

openconnect/openconnect-gui