101 · Question #172
System. The virtual server has an HTTP class profile associated with Application Security enabled, all class filters set to match all, and a pool consisting of foo.com members. The virtual server also
The correct answer is C. The HTTP class profile pool. When an HTTP class profile with Application Security is associated with a virtual server and all class filters match, matching requests are forwarded to the pool defined within the HTTP class profile, taking precedence over the virtual server default pool.
Question
System. The virtual server has an HTTP class profile associated with Application Security enabled, all class filters set to match all, and a pool consisting of foo.com members. The virtual server also has a default pool associated with it. When the client sends a request for
Options
- AThe fallback host
- BThe default pool
- CThe HTTP class profile pool
- DThe request will be dropped
How the community answered
(52 responses)- A8% (4)
- B13% (7)
- C75% (39)
- D4% (2)
Why each option
When an HTTP class profile with Application Security is associated with a virtual server and all class filters match, matching requests are forwarded to the pool defined within the HTTP class profile, taking precedence over the virtual server default pool.
The fallback host is only invoked when all members of the targeted pool are unavailable - it is not a routing destination for normal matched requests.
The default pool is bypassed when an HTTP class profile matches a request - the class profile pool takes routing precedence over the virtual server default pool.
The HTTP class profile pool (the foo.com members pool) is used because the HTTP class profile with Application Security enabled intercepts the request, evaluates it against the class filters, and upon a match routes traffic to the pool specified in that class - this overrides the virtual server default pool for matched traffic.
The request is not dropped; ASM with Application Security processes and forwards the request to the appropriate pool after WAF inspection.
Concept tested: BIG-IP HTTP class profile pool routing precedence
Source: https://support.f5.com/csp/article/K7595
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