VPN and VNC

Question 1

VPN concentrator

Answer 1

terminating point / firewall for VPN on remote connection, handles encryption + tunneling

Question 2

IPSec

Answer 2

Layer 3 Security
Authentication and encryption for every packet
packet signing

Question 3

SSL / TLS

Answer 3

Secure Sockets Layer
Transport Layer Security
 -port 443
-remote access communication
-username and pw, no need for digital certificate
can be run from a VPN client or browser

Question 4

DTLS

Answer 4

Datagram Transport Layer Security
UDP instead of TCP
practical for VoIP or Streaming

Question 5

Site-to-Site

Answer 5

Encrypt traffic between two sites through VPN tunnel

VPN appliance on both ends of connection

Question 6

Client-to-Site

Answer 6

Encrypt traffic between remote user and site

Requires software on client, may be built in to OS

Question 7

VNC

Answer 7

Virtual Network Computing
uses Remote Frame Buffer Protocol
Remote desktop access, open source
direct connection