A Citrix Administrator needs to protect the HTTP backend server type without actually removing the header. Which rewrite action type can the administrator apply to the Citrix ADC configuration to…

Question

Options

• ACORRUPT_HTTP_HEADER
• BREPLACE_HTTP_REQ
• CREPLACE
• DREPLACE_ALL

• A
  2% (1)
• B
  15% (7)
• C
  77% (37)
• D
  6% (3)

Explanation

REPLACE (option C) is correct because it allows the administrator to overwrite the value of an existing HTTP header - such as the Server header - with a generic or neutral string (e.g., "WebServer"), effectively hiding backend server identity while keeping the header structurally present in the response.

Why the distractors are wrong:

• A. CORRUPT_HTTP_HEADER - This mangles the header name itself, making it malformed/unreadable rather than cleanly substituting a safe value; it's a less controlled approach and not the intended tool for value masking.
• B. REPLACE_HTTP_REQ - This replaces the entire HTTP request body, not a specific header value; it operates at a much broader scope than needed.
• D. REPLACE_ALL - This replaces all occurrences of a matched string within a target element, used for bulk text substitution in a body or expression, not for targeted single-header value protection.

Memory tip: Think REPLACE = swap the value, keep the header. If the goal is to hide without deleting, you're replacing - just like painting over a name tag rather than tearing it off.

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