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Securing Data Transmission Between Client Computers

Your plan for securing data communication should cover the following areas:

Application

  • SSL or TLS
  • SMB Signing
  • S/MIME
  • 802.1X

Network

  • IPSec Protocol
  • ESP
  • AH
  • IPSec Mode
  • Tunnel
  • Transport
  • Authentication protocols
  • Kerberos
  • Certificates
  • Preshared keys
  • Encryption settings
  • Filter lists
  • Filter actions
  • Require security
  • Request security
  • Permit traffic
  • Block traffic

Data Link and Physical

  • Replace hubs with switches to reduce broadcasts
  • Enable port authentication on switches
  • Restrict sensitive areas

Next: Secure Data Transmission Using IPSec