Built-in ACME Client

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As you know, CA/B Forum has voted to shorten validity period for SSL/TLS certificates.

Current:
Public SSL/TLS certificates currently have a maximum validity of 13 months (approximately 398 days).

Upcoming Changes:
2026: Maximum validity will be reduced to 200 days.
2027: Maximum validity will be further reduced to 100 days.
2029: Maximum validity will be 1.5 months (approximately 47 days).

With shorter validity periods, automation will be the key, therefore ACME client (Certbot, etc) in Zyxel uOS is paramount to efficient and secure management.

This should be integrated rather sooner than later.