this post was submitted on 29 Aug 2023
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Meta community. Discuss about this lemmy instance or lemmy in general.

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founded 1 year ago
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Some of you may have noticed a lot of people freaking out about CSAM and a bunch of communities closing, instances restricting registrations, turning off image uploads or shutting down completely. It's a bit of a chaos.

Fortunately your admin has been fighting this fight for the past year so I have developed some tools to help me out. I repurposed one of them to cover lemmy images

Using this approach, I've now turned on automatic scanning of new uploads.

What this means for you is that occasionally you will upload an image for a post and it will stop working after a bit. C'est la vie. Just upload something else. Changing format or slightly altering the image won't help you.

Also, sometimes you might see missing thumbnails on post from other communities. Those were the cached thumbnails hosted by us. The original images should still work in those cases.

Unfortunately this sort of AI scanning is not perfect and due to the nature of the beast, it will catch more false positives but to an acceptable degree. But I find that this is OK for a small social network site run as a hobby project.

Cool? Cool.

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[–] [email protected] 8 points 1 year ago (1 children)

Could be 4chan users or exploding head nazis (since they got defederated because they’re not welcome here)

[–] [email protected] 10 points 1 year ago

We (thankfully) haven't been targeted yet. This measure is precautionary, due to the issues affecting large instances like lemmy.world, causing potential federation of such content