Ask HN: How do I keep child porn out of my site?

Re:Ask HN: How do I keep child porn out of my site? by kybernetyk on Saturday July 11, 2015 @07:41AM (#9869405)

Visibly watermark NSFW images with the uploader's IP and the exact time when the image has been uploaded. This should deter the most casual child porn uploaders.

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Re:Ask HN: How do I keep child porn out of my site? by joshstrange on Saturday July 11, 2015 @08:46AM (#9869557)

And then no one (including the CP people) would use the site... Sure you don't have CP on your site but you don't have any users either. There are other ways to handle this.

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Re:Ask HN: How do I keep child porn out of my site? by lowmagnet on Saturday July 11, 2015 @08:49AM (#9869566)

They could silently do it in IPTC form. I don't know why this isn't already a thing.

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Re:Ask HN: How do I keep child porn out of my site? by lowmagnet on Saturday July 11, 2015 @08:47AM (#9869561)

Or all images uploaded, just in case your algo isn't perfect at detecting fleshy things.

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