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A comment on iOS 18 breaks IMAPS self-signed certs. Parent comment

Re:iOS 18 breaks IMAPS self-signed certs by digitalPhonix on Thursday September 19, 2024 @05:28AM (#41590050)
How? An internal CA is just a self-signed certificate that you’ve told your device to trust; and to trust other certificates signed by it.

Somewhere you still need to trust a self-signed certificate.

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Re:iOS 18 breaks IMAPS self-signed certs by cpach on Thursday September 19, 2024 @07:41AM (#41590767)
You can guard the root certificate better than the leaf certificate. For example, you can keep it offline in an air-gapped environment.
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