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What
is a VPN?
Virtual
private networks (VPN) provide an encrypted connection between
a user's distributed sites over a public network (e.g., the
Internet).
The basic idea is to provide an encrypted IP
tunnel through the Internet that permits distributed sites to
communicate securely. The encrypted tunnel provides a secure
path for network applications and requires no changes to the
application.
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VPNs connect both branch offices and
telecommuters into an enterprise-wide corporate network via
the Internet, and can eliminate all long distance charges,
along with the management and security responsibilities of
maintaining private networks. |
