首页> 外文会议>2006 IEEE Region 5 Conference >Secure voice over Internet Protocol (voIP) using virtual private networks (VPN) and Internet Protocol Security (IPSec)
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Secure voice over Internet Protocol (voIP) using virtual private networks (VPN) and Internet Protocol Security (IPSec)

机译:使用虚拟专用网(VPN)和Internet协议安全性(IPSec)的Internet协议(voIP)上的安全语音

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摘要

The transmission of voice information over the Internet Protocol (VoIP) offers many security challenges. After identification of the security risks, it becomes clear that most of the vulnerabilities occur in the way that voice information is handled in the IP layer [1]. This study proposes a solution using dedicated VPN-based local area firewalls. These firewalls provide more security than a border router by making the voice information less susceptible to attacks from an insider to the network. Plus, they can easily and reliably handle and protect several types of clients in small office environments, control access restricting traffic coming into the inside network and encrypt IP voice packets using IPSec tunneling before the voice packets reach the access switch.
机译:通过Internet协议(VoIP)传输语音信息带来了许多安全挑战。在确定安全风险之后,很明显,大多数漏洞都是在IP层中处理语音信息的方式发生的[1]。这项研究提出了一种使用基于VPN的专用局域网防火墙的解决方案。这些防火墙通过使语音信息不易受到内部人员对网络的攻击,从而提供了比边界路由器更高的安全性。此外,它们可以在小型办公环境中轻松可靠地处理和保护多种类型的客户端,控制进入内部网络的访问限制流量,并在语音数据包到达访问交换机之前使用IPSec隧道对IP语音数据包进行加密。

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