monero-site/_i18n/zh-tw/resources/moneropedia/airgap.md

---
summary: 'An airgap is a security measure to physically separate a computer or device from all other networks, such as the Internet.'
terms: ["airgap"]
---

{% include disclaimer.html translated="no" translationOutdated="no" %}

### The Basics

"An air gap, air wall or air gapping is a network security measure employed
on one or more computers to ensure that a secure computer network is
physically isolated from unsecured networks, such as the public Internet or
an unsecured local area network.[2] The name arises from the technique of
creating a network that is physically separated (with a conceptual air gap)
from all other networks. The air gap may not be completely literal, as
networks employing the use of dedicated cryptographic devices that can
tunnel packets over untrusted networks while avoiding packet rate or size
variation can be considered air gapped, as there is no ability for computers
on opposite sides of the gap to communicate."

Taken from https://en.wikipedia.org/wiki/Air_gap_(networking)