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Alibaba ACP-Cloud1 Exam - Topic 4 Question 71 Discussion

When using Alibaba Cloud SLB to forward layer 7 (HTTP) service requests, SLB will replace the IP address in the HTTP header file to forward requests. Therefore, the access IP address that can be seen on the backend ECS instance is the IP address of SLB instead of the client's real IP address.
A) TRUE
B) FALSE

Alibaba ACP-Cloud1 Exam - Topic 4 Question 71 Discussion

Actual exam question for Alibaba's ACP-Cloud1 exam
Question #: 71
Topic #: 4
[All ACP-Cloud1 Questions]

When using Alibaba Cloud SLB to forward layer 7 (HTTP) service requests, SLB will replace the IP address in the HTTP header file to forward requests. Therefore, the access IP address that can be seen on the backend ECS instance is the IP address of SLB instead of the client's real IP address.

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Suggested Answer: A, C

by Sheridan at Sep 14, 2024, 06:48 PM

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Bettina
6 months ago
I had no idea it replaced the IP like that!
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Maybelle
7 months ago
This is a common setup for load balancers.
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Casie
7 months ago
Wait, really? I thought it could show the real IP.
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Theodora
7 months ago
Totally agree, it's how SLB works!
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Krystal
7 months ago
That's correct, SLB does mask the client's IP.
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Dong
8 months ago
I thought it was false since I believe there are ways to preserve the original IP address using X-Forwarded-For headers.
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Gilberto
8 months ago
I recall that SLB can forward the real client IP if configured correctly, but I can't remember if that's the default behavior.
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Freeman
8 months ago
I'm not entirely sure, but I feel like there was a practice question about how SLB handles IP addresses, and it said something similar.
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Royal
8 months ago
I think this is true because I remember reading that SLB acts as a proxy and modifies the headers.
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Gilma
8 months ago
This is a good question to think through. The key is understanding that SLB is operating at the layer 7 (HTTP) level, so it's modifying the HTTP header. The correct answer is therefore TRUE, as the backend ECS instance will see the SLB IP address, not the client's.
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Mona
8 months ago
Wait, I'm a bit confused. If SLB is replacing the IP address in the HTTP header, wouldn't that mean the backend ECS instance wouldn't be able to see the client's real IP? I'm not sure if the TRUE or FALSE answer is correct here.
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Hillary
8 months ago
Okay, I think I've got this. Since the question states that SLB replaces the IP address in the HTTP header, the correct answer must be TRUE. The backend ECS instance will see the IP address of the SLB instead of the client's real IP.
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Dorsey
8 months ago
Hmm, I'm a little unsure about this one. I know SLB is used for load balancing, but I'm not totally clear on how it handles the IP address in the HTTP header. I'll need to think this through carefully.
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Magdalene
8 months ago
This seems pretty straightforward. The question is clearly asking about how Alibaba Cloud SLB handles the IP address in the HTTP header, so I'm confident I can answer this correctly.
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Virgie
8 months ago
Okay, I think I've got this. The key is that the compliance program needs to have multiple components, including a reporting system, accountability for management, and a dedicated compliance coordinator. I'll make sure to select the option that covers all those bases.
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Shaun
1 year ago
Ah, I was wondering about that. Glad I now know the SLB hides the real client IP. That's a neat feature.
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Paris
12 months ago
Yes, the client's real IP address is hidden by SLB.
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Rocco
12 months ago
B) FALSE
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Audra
12 months ago
That's right, SLB does replace the IP address in the HTTP header.
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Amie
12 months ago
A) TRUE
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Weldon
1 year ago
Haha, so the backend ECS instances will have no idea who's really accessing them. Gotta love that SLB obfuscation!
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Melynda
1 year ago
I thought the SLB just forwarded the requests without modifying the headers. Good to know it replaces the IP address.
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Izetta
11 months ago
B) FALSE
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Lera
12 months ago
That's interesting, I didn't know that either.
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Bette
1 year ago
A) TRUE
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Xuan
1 year ago
That's correct! The SLB will replace the client's IP address with its own when forwarding layer 7 requests.
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Jerry
12 months ago
Thanks for the clarification.
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Cherelle
12 months ago
B) FALSE
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Cecil
12 months ago
That's good to know!
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Lemuel
1 year ago
A) TRUE
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Honey
1 year ago
A) TRUE. This is a common practice for load balancing.
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Caprice
1 year ago
B) FALSE. The client's real IP address is visible on the backend ECS instance.
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Lynna
1 year ago
A) TRUE. SLB replaces the IP address in the HTTP header.
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