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Scenario: During application troubleshooting, a Citrix Engineer notices that response traffic received from a protected web application is NOT matching what the web server is sending out. The engineer is concerned that someone is trying to disrupt caching behavior.
Which action is the Citrix Web App Firewall performing that would trigger this false positive?
Suggested Answer: A
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37 comments · newest first
UN
Una
11 months ago
I disagree, B seems less likely to cause a false positive in this case.
BA
Barbra
11 months ago
Surprised this is even a problem! Why would anyone mess with headers like that?
VE
Veta
11 months ago
No way, I thought it was C! Removing Accept-Encoding can cause issues.
GE
Germaine
12 months ago
I think D could also be a factor. Cookies can mess with responses too.
VI
Viva
12 months ago
A is definitely the right answer. Last-Modified header is crucial for caching.
SH
Sharika
1 year ago
I feel like inserting a hidden form field wouldn't really trigger a false positive in this scenario. It must be something related to headers, but which one?
MI
Milly
1 year ago
I practiced a similar question where headers were involved. Removing the Last-Modified header seems like it could cause issues, but I’m not entirely confident.
WE
Wenona
1 year ago
This kind of question feels familiar! I think modifying cookies could definitely disrupt the response, but I can't recall if that's the right answer here.
XO
Xochitl
1 year ago
I remember something about headers affecting caching, but I'm not sure if it's the Last-Modified header or the Accept-Encoding one.
EN
Ena
1 year ago
Hmm, I'm a bit confused by the wording of the question. I'll need to carefully review the options to determine the correct approach.
DO
Dorthy
1 year ago
I'm not totally sure about this one. I'll need to test it out or look up the behavior of set.erase() to be confident in my answer.
JU
Jutta
1 year ago
Easy peasy! ISO 9126-1 and IEEE 829 are the clear choices here. Those are the go-to standards for software quality and testing documentation.
GI
Gilma
1 year ago
This is a tricky one. I'm a bit confused about the leasing service requirement. Is that needed for both whole server migration and manual service migration, or just one of them? I'll have to review the details on that to make sure I get the right answer.
BU
Bulah
1 year ago
Maybe the Citrix Web App Firewall is just playing a game of 'spot the difference' with the web server's responses. Gotta keep those engineers on their toes, you know?
VA
Vashti
1 year ago
User 3: It's like a game of 'spot the difference' for the engineers.
LU
Lucy
1 year ago
User 2: That could be causing the mismatch in response traffic.
TA
Tawny
1 year ago
User 1: Maybe the firewall is removing the Last-Modified header.
CA
Catalina
1 year ago
I bet the Citrix Web App Firewall is removing the Last-Modified header to keep the web server from caching the response. That seems like the most likely culprit.
HE
Helaine
1 year ago
Wait, are we sure the Citrix Web App Firewall is not just adding a hidden form field to the response? Seems like a sneaky way to mess with caching, if you ask me.
LI
Linwood
1 year ago
User 3: Maybe it's actually inserting a hidden form field to disrupt caching behavior. That would be a sneaky move.
MA
Ma
1 year ago
User 2: That could definitely be causing the mismatch in response traffic. It's worth looking into.
RA
Raylene
1 year ago
User 1: I think the Citrix Web App Firewall might be modifying and adding cookies in the response.
TE
Terrilyn
1 year ago
That's a good point, it could be trying to disrupt caching behavior that way.
TA
Tayna
1 year ago
But what if it's actually modifying and adding cookies in the response?
PA
Paris
1 year ago
I think it could be inserting a hidden form field.
CA
Carrol
1 year ago
I'm not sure, but I'm pretty sure the Citrix Web App Firewall is adding cookies to the response to monitor traffic. That's the only option that seems relevant to the scenario.
EU
Eun
2 years ago
I'm not sure, but I think C) Removing the Accept-Encoding header could also trigger the false positive.
DA
Dallas
2 years ago
I disagree, I believe it could be A) Removing the Last-Modified header.
ET
Ettie
2 years ago
I think the answer is D) Modifying and adding cookies in the response.
TA
Tawna
2 years ago
Hmm, I think the Citrix Web App Firewall is removing the Accept-Encoding header to prevent caching issues. That seems like the most logical answer here.
DE
Denny
1 year ago
I think removing the Last-Modified header could be another action causing the mismatch in response traffic.
PR
Providencia
1 year ago
True, inserting a hidden form field might also trigger a false positive in this case.
MA
Marshall
1 year ago
But what about modifying and adding cookies in the response? That could also disrupt caching behavior.
AL
Aliza
1 year ago
I agree, removing the Accept-Encoding header could definitely cause issues with caching.
CA
Carmen
2 years ago
I'm not sure, but I think C) Removing the Accept-Encoding header could also trigger the false positive.
PA
Paulina
2 years ago
I disagree, I believe the correct answer is A) Removing the Last-Modified header.
AL
Aliza
2 years ago
I think the answer is D) Modifying and adding cookies in the response.