User TLS certificates are not used for site authentication

[kloberle]

Steps to reproduce

1. Establish an iOS configuration profile based on a current user certificate
2. Attempt to access a secured https site -- that authenticates by certificate -- for which the selected user certificate (from the iOS configuration profile) is valid.

Expected behavior

The browser prompts for which certificate to use. Upon certificate acceptance, normal site viewing and navigation can progress.

Actual behavior

Firefox for iOS displays an NS URL Error Domain message.

Device & build information

• Device: iPhone 13 Pro; iOS 17.4.1

• Build version: 125.3 (41348)

• Device: iPad Pro (11-inch); iPadOS 17.4.1

• Build version: 125.3 (41348)

Notes

TLS certificate authentication works as expected for both Firefox for Windows and Safari iOS.
Firefox iOS seems to neither:

• access user certificates from the iOS Configuration Profile
• manage certificates in its own store.

From Safari:

Same URL as above but from Firefox iOS:

┆Issue is synchronized with this Jira Task

[data-sync-user]

➤ Norberto Andres Furlan commented:

Hi! Thanks for reporting this. Currently this in not supported on Firefox iOS.

[kloberle]

➤ Norberto Andres Furlan commented:

Hi! Thanks for reporting this. Currently this in not supported on Firefox iOS.

So instead should this be handled as an feature request?
Is there a method to shift this to Mozilla Connect, or should I do so manually?

Thanks.

[kloberle]

Moved to feature request in Mozilla Connect.