> ## Documentation Index
> Fetch the complete documentation index at: https://resq-dependabot-github-actions-github-actions-478e18be3d.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# UrlProtocolSchema

# Variable: UrlProtocolSchema

> `const` **UrlProtocolSchema**: `Literals`\<readonly \[`"http:"`, `"https:"`, `"mailto:"`, `"tel:"`, `"ftp:"`]>

Defined in: [sanitize.ts:41](https://github.com/resq-software/npm/blob/fe2e20ae9db8398a0db1e3218edaabb3cf7004d6/packages/security/src/sanitize.ts#L41)

Schema for URL protocol validation

## Compliance

NIST 800-53 SI-10 (Information Input Validation)