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101 · Question #160

A request is sent to the BIG-IP ASM System that generates a Length error violation. Which of the following length types provides a valid learning suggestion? (Choose 3)

The correct answer is A. URL D. POST data E. Query string. F5 BIG-IP ASM generates length-violation learning suggestions only for URL, POST data, and query string length types, not for Cookie or Response length.

Section 2: F5 Solutions and Technology

Question

A request is sent to the BIG-IP ASM System that generates a Length error violation. Which of the following length types provides a valid learning suggestion? (Choose 3)

Options

  • AURL
  • BCookie
  • CResponse
  • DPOST data
  • EQuery string

How the community answered

(32 responses)
  • A
    84% (27)
  • B
    13% (4)
  • C
    3% (1)

Why each option

F5 BIG-IP ASM generates length-violation learning suggestions only for URL, POST data, and query string length types, not for Cookie or Response length.

AURLCorrect

URL length violations produce a learning suggestion that recommends increasing the maximum allowed URL length in the policy, allowing legitimate long URLs to pass after review.

BCookie

Cookie length is enforced by BIG-IP ASM but cookie length violations do not feed into the learning engine as adjustable length suggestions in the same framework as request-side length parameters.

CResponse

Response length is a server-side attribute and is not part of the ASM learning engine's client-request length violation suggestion mechanism.

DPOST dataCorrect

POST data length violations produce a learning suggestion to raise the maximum allowed POST data size, enabling the policy to accommodate legitimate large form submissions.

EQuery stringCorrect

Query string length violations produce a learning suggestion to increase the allowed query string length, permitting legitimate requests with verbose query parameters after administrator approval.

Concept tested: ASM length violation learning suggestion types

Source: https://techdocs.f5.com/en-us/bigip-16-1-0/big-ip-asm-implementations/about-learning.html

Topics

#length violations#ASM learning#policy suggestions#length enforcement

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