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[WAF] Add content scanning limitations #22663

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May 26, 2025
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[WAF] Add content scanning limitations #22663

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[WAF] Add content scanning limitations
pedrosousa May 26, 2025
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pedrosousa May 26, 2025
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11 changes: 9 additions & 2 deletions src/content/docs/waf/detections/malicious-uploads/index.mdx
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Expand Up @@ -57,8 +57,15 @@ All content objects in an incoming request will be checked, namely for requests

The content scanner will fully check content objects with a size up to 15 MB. For larger content objects, the scanner will analyze the first 15 MB and provide scan results based on that portion of the object.

:::caution
The AV scanner will not scan some particular types of files, namely encrypted or password-protected files. Refer to [Non-scannable files](/cloudflare-one/policies/gateway/http-policies/antivirus-scanning/#non-scannable-files) for a list of AV scanning limitations. For WAF content scanning, the size limit of 15 MB applies to all plans.
:::note

The AV scanner will not scan some particular types of files, namely the following:

- Password-protected archives
- Archives with more than three recursion levels
- Archives with more than 300 files
- PGP-encrypted files

:::

## Custom scan expressions
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