VPN

Virtual Private Networks

Encrypted (private) data traversing a public network as opposite to GRE_prtocol ## VPN protocols IPSec_protocol ## VPN Concentrator - Device that Encrytp/Decrypt the data - Often interateed into [[firewall]]

• There are allso alternatives both softwera and hardwer options tha can performe same functionality
  • Sepcialized cryptographic hardwer
  • Softwer
  • Somtime built into os

[!quote] ports