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What are these comments on lemmy posts?
(lemmy.sdf.org)
Are they just an issue with wefwef or trying to use an exploit
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this post was submitted on 10 Jul 2023
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Asklemmy
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Yea I've got both
.zipand.movblocked on my piholesorry i’m missing it. why this specific TLD? can’t they just use any TLD for this and achieve the same thing? is there something special with .mov?
It's because it can cause confusion. The only difference between example.com/file.zip and example.com.file.zip is one uses a . and the other a / but both are valid domains. If somebody isn't paying much attention or they don't know much about domain names, they could click thinking to get a zip file from a legitimate site and end up going somewhere malicious instead. No other TLDs have this issue (well, I guess .com technically has it but who the hell is downloading and running com files these days) and they're pretty much exclusively used for this reason so it's a good idea to block them just to be safe.
sorry, I didn't saw your answer and also replied! I didn't remember that (.)COM was also a file extension, but now, thanks to your reminder, I will play some DOS games ;)
since .zip and .mov are recognizable file extensions, a url of the form google.com.docs.zelensky.zip could make people think that the domain is google.com pointing to a zip instead of the true domain, zelensky (dot) zip which probably would serve malicious content under that subdomain.