> ## Documentation Index
> Fetch the complete documentation index at: https://developer.paywint.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Security Rules

> Security restrictions for document URLs.

## Allowed Protocols

Only secure **HTTPS** URLs are supported.

Blocked schemes include:

* `http://`
* `file://`
* `ftp://`
* `javascript://`
* `data://`

***

## Network Restrictions

URLs cannot resolve to:

* Private IP ranges (e.g., `192.168.x.x`, `10.x.x.x`)
* `localhost` or `127.0.0.1`
* Internal corporate servers
* Non-public networks
* Administrative service ports

Paywint must be able to access the file over the public internet.

***

## Why These Restrictions Exist

These rules prevent:

* Exposure of internal systems
* Security vulnerabilities
* Attempts to bypass public hosting
* API failures due to inaccessible resources