feat: add secure connection support for proxy16

Standards checklist:

[x] The PR title is descriptive.
[x] The PR doesn't replicate another PR which is already open.
[ ] The PR has self-explained commits history.
[x] The code is mine, or it's from somewhere with an Apache-2.0 compatible license.
[x] The code is efficient, to the best of my ability, and does not waste computer resources.
[x] The code is stable, and I have tested it myself, to the best of my abilities.
[ ] If the code introduces new classes, methods, I provide a valid use case for all of them.

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