Information Technology Grimoire

Version .0.0.1

IT Notes from various projects because I forget, and hopefully they help you too.

packet-flow

Packet flow for NAT

  1. In case of DNAT
  2. Anti Spoofing
  3. Session lookup
  4. Policy lookup
  5. Natting
  6. Routing

General Packet Flow

  1. SAM Database.
  2. Address Spoofing.
  3. Session Lookup.
  4. Policy Lookup.
  5. Destination NAT.
  6. Route Lookup.
  7. Source NAT.
  8. Layer 7 Inspection.
  9. VPN.
  10. Routing.