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Allowed Protocols

Only secure HTTPS URLs are supported. Blocked schemes include:
  • http://
  • file://
  • ftp://
  • javascript://
  • data://

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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.

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Why These Restrictions Exist

These rules prevent:
  • Exposure of internal systems
  • Security vulnerabilities
  • Attempts to bypass public hosting
  • API failures due to inaccessible resources