https://www.nutzwerk.com/safersurf-for-free/download/safersurf-for-free-setup.exe
https://www.nutzwerk.com/safersurf/download/safersurf-for-free-setup.zip
有5gb的免费流量，测试，确实可用来翻墙。不过只提供了windows下的客户端。
from http://www.safersurf-for-free.com/download/index.cgi?language=de
https://www.nutzwerk.com/safersurf/download/safersurf-for-free-setup.zip
有5gb的免费流量，测试，确实可用来翻墙。不过只提供了windows下的客户端。
from http://www.safersurf-for-free.com/download/index.cgi?language=de
