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Whenever we wish to connect through the public Internet in a secure fashion we use VPN we use virtual

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private networks that creates a tunnel that gives users or to remote Local Area Network a secure access

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to each other's private network as if they were connected to the same LAN a VPN uses different encryption

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algorithms it uses different hash functions and it uses different authentication schemes to make sure

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that only allowed users can access the private network that no one can read your data and that no one

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can touch your data.

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No one can tamper with the data that is being sent.

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There are two main VPN technologies that show 40 supports and these are IP SEC and SSL VPN.

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We will look at both technologies understand the differences between them.

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When do we use each and configure each separately.

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So let's start.