Remember DNAT
Full name: Destination Network Address Translation
Memory aid: Destination addresses change through NAT.
DNAT reachability does not replace firewall policy or application authentication.
Study area: Network architecture & switching · Batch 9
Relevant study for: CompTIA Network+ N10-009 · Cisco CCNA 200-301 · CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
DNAT — Destination Network Address Translation
Rewrites packet destination addresses at a translation boundary.
Why learn DNAT — Destination Network Address Translation?
Rewrites packet destination addresses at a translation boundary.
Where it came from
DNAT reachability does not replace firewall policy or application authentication.
- Memory aid (a learning cue, not the expansion): Destination addresses change through NAT.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand DNAT: Destination Network Address Translation.
- Recall this memory aid: Destination addresses change through NAT.
- Explain the practical use: Rewrites packet destination addresses at a translation boundary.
- Explain this distinction: DNAT reachability does not replace firewall policy or application authentication.
- Identify DNAT in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IEEE 802 LAN/MAN standards (www.ieee802.org)
- IETF Internet standards (www.rfc-editor.org)