正文之前的一个消息：继Chrome和Firefox浏览器之后，最新试验版的Opera浏览器已开始支持SDPY协议，如果一切顺利的话，该功能有可能会被加入到Opera 12.50正式版本中。
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https://www.versavpn.com/ VPN免费试用2天
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http://vpnyou.us/ VPN和SSH免费帐号
以下是在推特上看到的免费l2tp vpn和ssh代理帐号
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Secure Shell (SSH) is a protocol used for secure data communication. It essentially tunnels through a network to the end host. SSH is commonly used to administrate Linux servers, so it is designed with security in mind. The encryption SSH uses provides confidentiality and integrity of the data over an insecure network. If you are on a laptop, it is imperative you at least use an SSH tunnel when you connect to other networks.
SSH VPN
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