Cybersecurity-Practitioner Network Security Practice Question
An administrator configures a decryption exclusion based on the 'Pre-defined SSL Decryption Exclusions' list. However, an internal audit reveals that a specific sensitive medical portal is still being intercepted and decrypted. The portal uses certificate pinning and a non-standard port (TCP 8443). How can the administrator ensure this specific traffic is never decrypted?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an explicit Decryption rule at the top of the Decryption policy with action 'No Decrypt', specifying the custom port and destination server address.
When applications use non-standard ports or custom URLs that evade pre-defined exclusions, the administrator must create an explicit Decryption rule with action 'No Decrypt', specifying the destination address object or URL category, and ensuring service/port 8443 is matched.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Add the medical portal's URL to the File Blocking Profile under Objects.
Why it's wrong here
File blocking does not control SSL decryption behavior.
- ✗
Enable strict SSL Decryption fallback on the Decryption Profile.
Why it's wrong here
Fallback settings deal with handshake failures, not forcing explicit exclusions.
- ✓
Create an explicit Decryption rule at the top of the Decryption policy with action 'No Decrypt', specifying the custom port and destination server address.
Why this is correct
Explicit No Decrypt rules take precedence over dynamic/pre-defined lists and can target custom service ports like TCP 8443.
- ✗
Disable App-ID inspection on port 8443 using an Application Override policy.
Why it's wrong here
Application override bypasses App-ID, but Decryption policies evaluate before Security rules and App-ID.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Palo Alto Networks exam blueprint
This Cybersecurity-Practitioner practice question is part of Courseiva's free Palo Alto Networks certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the Cybersecurity-Practitioner exam.