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Remote Access

Most common servers/protocols.

  • L2TP IPsec.

    • IKE+ISAKMP+L2TP.

  • OpenVPN.

    • SSL.

  • Proprietary.

    • SSL or IPSec based.

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Authentication

  • Types.

    • Pre-shared.

    • RADIUS/LDAP.

    • RSA with embedded CA.

    • RSA with external CA.

  • Certificates/Credentials must be distributed securely.

    • Web services, SSH, ...

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Server

  • Deployed in Firewalls.

  • In DMZ.

    • Traffic is routed back to the same zone.

  • Traffic is routed back to the firewall using a different network interface and zone.

  • Traffic is routed directly to the private zone.

    • Breaks the zone concept.

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