feat: Acme challenge improvements based on security audit #2420
+18
−3
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As a Developer I want to disable port 4000 for ACME challenges so that we don't expose it needlessly;
As a Developer I want to harden the way we handle use input in ACME challenges so that we don't leave a potential opening in the future
refs: XRDDEV-2732, XRDDEV-2733