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*Writes Voting platform*
*Uses ips to stop duplicate voting*
*Notices how lots of the IPS are similar*
*investigates*
*Traces IP*
London? Cloudflare?
Oh shit. Cloudflare HTTP proxy...

fail.

Comments
  • 5
    But if me and my roommate want to vote on your platform, just one of us would do it?
  • 2
    Cloud flare has a specific feature that allows you to receive the users raw IP.

    https://support.cloudflare.com/hc/...-
  • 0
    get used to it and check the headers
  • 1
    using ip address to stop duplicates is a bad practice
  • 0
    you can set up CloudFlare to replace or add pseudo headers, you can also parse the proxy header to get the ip, but due to NATs it's bad practice anyway
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