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Mitigating the Hetzner/Linode XMPP.ru MitM interception incident

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341 points hlandau | 3 comments | 20 Oct 23 20:31 UTC | HN request time: 0s | source
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tedunangst ◴[20 Oct 23 23:00 UTC] No.37962435[source]▶
Run your own CA and choose your roots carefully didn't make the cut.
replies(1): >>37962872 #
1. fanf2 ◴[21 Oct 23 00:10 UTC] No.37962872[source]▶
A bit difficult when providing services to third parties who can use any client software :-/
replies(2): >>37963028 #>>37963056 #
2. tedunangst ◴[21 Oct 23 00:35 UTC] No.37963028[source]▶
That's actually probably easier than getting a browser to work with a forbidden cert, how dare you.
3. justsomehnguy ◴[21 Oct 23 00:39 UTC] No.37963056[source]▶
Yes, but if you can serve multiple certificates on one endpoint (think SNI) then you can add your own self-signed or private PKI certificate to be able to check if all your requests are being intercepted by a lazy adversary.