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A comment on Ask HN: How did internet discover my subdomain?. Parent comment

Re:Ask HN: How did internet discover my subdomain? by bob1029 on Friday March 07, 2025 @11:08AM (#43291317)
Obscurity can be fantastic.

One of my favorite patterns for sending large files around is to drop them in a public blob storage bucket with a type 4 guid as the name. No consumer needs to authenticate or sign in. They just need to know the resource name. After a period of time the files can be automatically expired to minimize the impact of URL sharing/stealing.

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Re:Ask HN: How did internet discover my subdomain? by genewitch on Saturday March 08, 2025 @03:12AM (#43298495)
Wouldn't the blob storage host be able to see your obscure file?

I suppose if it's encrypted, no. Like the pastebin service I run, it's encrypted at rest. It doesn't even touch disks, so I mean, that's a decent answer to mine own question.

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