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Blog: Magic WAN & Magic Firewall
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Review the content below to learn more about concepts related to Magic Firewall.

Important

When using Magic Firewall alongside other Cloudflare services that proxy traffic (for example, CDN and Spectrum), be aware of the following:

Firewall rules that block traffic based on source IP address may not work as intended because rules are evaluated after Cloudflare terminates the incoming TCP connections.
You must allow Cloudflare IP addresses .
When using Magic Firewall, fragmented packets are reassembled into complete packets before they are inspected. As a result, you cannot create firewall rules for fragments.

Analytics
IDS
List types
Protocol validation rules
Ruleset logic
Traffic types

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Edit on GitHub · Updated July 10, 2024