This post knows where you're viewing it from (Lemmy doesn't proxy external images)

https://lemmy.ml/post/3180964

This post knows where you're viewing it from (Lemmy doesn't proxy external images) - Lemmy

An external image showing your user-agent and the total "hit count" [https://trilinder.pythonanywhere.com/image.jpg]

This is possible because Lemmy doesn’t proxy external images but instead loads them directly. While not all that bad, this could be used for Spy pixels by nefarious posters and commenters.

Note, that the only thing that I willingly log is the “hit count” visible in the image, and I have no intention to misuse the data.

Spy pixel - Wikipedia

This is true for most link aggregators that attempt to render external content. Proxying images and videos would dramatically increase costs.

If you care that much about anonymity, use a VPN/Tor and a browser with advanced fingerprinting resistance — tor browser, mullvad browser, or firefox with resist fingerprinting = true.

Free the internet with Mullvad Browser

The Mullvad Browser is a privacy-focused web browser developed in collaboration between Mullvad VPN and the Tor Project. It’s produced to minimize tracking and fingerprinting.

Mullvad VPN
At the very least setting referer policy headers and such would be a good addition.
That’s great except those browsers often don’t work.

Hexbear.net stays winning, external embeds are domain whitelist-only until pictrs adds proxying support, and blurred by default. I’d honestly encourage other instances to do the same but it requires dev effort that I know not everyone has, and upstream isn’t quite as paranoid about this stuff.

For reference:

Is there a pull request for it though?
as far as I know upstream lemmy doesn’t want it and is waiting on pictrs proxying support. If I’m wrong though our code is public, I’m sure someone would be happy to put together a PR
Cool, didn’t know some Lemmy instances did this

*removed externally hosted image*

Looks like your home instance hexbear.net is filtering external images.
But I’m not on chrome mobile…
It’s the same for me

I guess mobile clients screw with their fingerprinting method. Also doesn’t work on Slide.

It sees my phone fine (Chrome + Android)
Wait what, slideforreddit works for lemmy now?
looks like sync in the screenshot, i think thats what they meant
I guess Donald Rumsfeld was right.
This reminds me of those old forum signatures which looked like a signpost, and showed your IP address, browser, OS etc. T lhey were pretty popular back then (when no one cared about their privacy), to the point that some folks even made parody versions of those signatures (like changing the IP to “127.0.0.1” or writing a funny message).

My favorite Linux distro: Windows.