One VPN technology is decommissioned, but the replacement causes problems. SSL offers some answers, but there are still issues to be resolved. For several years, my company used Microsoft Corp.'s Point-to-Point Tunneling Protocol (PPTP) to provide remote users with VPN access to corporate resources. This worked well, and almost all employees who had PPTP permissions were comfortable with this method. But after several security problems with PPTP were reported, we decided about a year ago to deploy virtual private network concentrators from Cisco Systems Inc. at all of our core points of presence.
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机译：一种VPN技术已退役，但替换会带来问题。 SSL提供了一些答案，但仍有一些问题需要解决。几年来，我的公司使用Microsoft Corp.的点对点隧道协议（PPTP）为远程用户提供对公司资源的VPN访问。这种方法效果很好，几乎所有拥有PPTP权限的员工都对此方法感到满意。但是，在报告了PPTP的一些安全问题之后，大约一年前，我们决定在我们所有的核心业务点部署来自Cisco Systems Inc.的虚拟专用网络集中器。
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