Depending on your Firewall or Antivirus settings, you may find that sandboxes have intermittent connection problems or that they're blocked entirely. This can also cause the "Intercept Proxy" feature to stop working.

Please allow the following domains in your network to ensure learners are not interrupted:

Domain Allowlist

  • api.hackedu.com

  • app.hackedu.com

  • auth.hackedu.com

  • blog.hackedu.com

  • cdn.hackedu.com

  • control.hackedu.com

  • developers.hackedu.com

  • help.hackedu.com

  • platform.hackedu.com

  • static.hackedu.com

  • www.hackedu.com

  • *.sandbox.hackedu.com

External Resources

We link to the following URLs in our lessons:

  • apache.org

  • base64encode.org

  • cheatsheetseries.owasp.org

  • crackstation.net

  • curl.se

  • developer.android.com

  • docs.aws.amazon.com

  • docs.docker.com

  • docs.google.com

  • equifaxbreachsettlement.com

  • formidableforms.com

  • github.com

  • grip.com

  • hackerone.com

  • hub.docker.com

  • internetsociety.org

  • iosappsigner.com

  • justice.gov

  • jwt.io

  • man7.org

  • npmjs.com

  • nvd.nist.gov

  • owasp.org

  • pypi.org

  • r2wiki.readthedocs.io

  • sitemaps.org

  • snyk.io

  • ssllabs.com

  • struts.apache.org

  • vaultproject.io

  • web.dev

  • whatismyipaddress.com

Please note, these URL's do not need to be accessed to complete our lessons.

Domain list last updated: October 22, 2021

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