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Chapter
17
RAVPN
17.1 Protocol Description
RAVPN (acronym for Client to Site VPN) connects individual hosts to private
networks. In a Remote Access VPN, every host must have VPN client
software. Whenever the host tries to send any traffic, the VPN client software
encapsulates and encrypts that traffic before sending it over the Internet to the
VPN gateway at the edge of the target network. If the target host inside the
private network returns a response, the VPN gateway performs the reverse
process to send an encrypted response back to the VPN client over the
Internet. These remote access VPNs may use passwords, or other
cryptographic methods. The most common secure tunneling protocol IPSec is
deployed in RAVPN.
networks. In a Remote Access VPN, every host must have VPN client
software. Whenever the host tries to send any traffic, the VPN client software
encapsulates and encrypts that traffic before sending it over the Internet to the
VPN gateway at the edge of the target network. If the target host inside the
private network returns a response, the VPN gateway performs the reverse
process to send an encrypted response back to the VPN client over the
Internet. These remote access VPNs may use passwords, or other
cryptographic methods. The most common secure tunneling protocol IPSec is
deployed in RAVPN.
Remote-Access VPNs allow employees to access their company's intranet
from home or while traveling outside the office, where as site-to-site VPNs
allow employees in geographically disparate offices to share one cohesive
virtual network.
from home or while traveling outside the office, where as site-to-site VPNs
allow employees in geographically disparate offices to share one cohesive
virtual network.