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-- Exhibit --
-- Exhibit --
Refer to the exhibit.
An LTM Specialist has created a virtual server to load balance traffic to a pool of HTTPS servers. The servers use client certificates for user authentication. The virtual server has clientssl, serverssl, and http profiles enabled. Clients are unable to connect to the application through the virtual server. Clients are able to connect to the application servers directly.
What is the root cause of the problem?
Suggested Answer: D
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32 comments · newest first
KI
Kimberely
11 months ago
The app server not supporting 2048-bit keys is unlikely, right?
MA
Margo
11 months ago
Wait, could SSL offload really cause that? Seems odd.
NO
Novella
11 months ago
I think it might be the LTM not trusting the CA.
LO
Loreen
12 months ago
I agree, that's probably the issue here.
JU
Julianna
12 months ago
The clientssl profile needs to require a client certificate.
CA
Carey
12 months ago
I don't recall the specifics, but I think the key size might not be the problem here. It seems more related to the clientssl profile settings.
FL
Flo
1 year ago
I'm not entirely sure, but I feel like SSL offload could be causing the application server to miss the client certificate.
KA
Kanisha
1 year ago
I think I saw a similar question where the trust relationship with the CA was the problem. Maybe the LTM device doesn't trust the issuing CA?
SH
Shaquana
1 year ago
I remember something about client certificates needing to be required in the clientssl profile. Could that be the issue here?
JA
Jani
1 year ago
I'm a bit confused by the SSL offload mention. Does that mean the LTM is terminating the SSL connection? If so, the application server may not be seeing the client certs.
CH
Chana
1 year ago
Okay, let me think this through. The question mentions client certificates, so the clientssl profile must be set up correctly. I'll focus on checking that first.
BU
Bulah
1 year ago
This seems like a tricky one. I'll need to carefully review the details about the virtual server configuration and client authentication requirements.
CO
Cordelia
1 year ago
Hmm, the key point here is that clients can connect directly to the application servers, but not through the virtual server. That suggests an issue with the LTM device's SSL/TLS settings.
BR
Brice
2 years ago
Hmm, I wonder if the application servers are running on Windows. You know what they say, 'Windows and SSL, a match made in heaven.'
AR
Arletta
2 years ago
User 3: It could also be that the application server does not see the client certificate due to SSL offload.
MI
Miles
2 years ago
User 2: Could be, or maybe the LTM device does not trust the issuing CA of the client certificate.
EL
Elenora
2 years ago
Maybe the clientssl profile is not set to require a client certificate.
TH
Thersa
2 years ago
Haha, I bet the LTM Specialist is kicking themselves for not double-checking the clientssl profile. Rookie mistake!
BR
Brett
2 years ago
User 3: That's a common mistake, but it can cause a lot of trouble.
GL
Gladys
2 years ago
User 2: Yeah, they probably forgot to set it to require a client certificate.
SY
Sylvie
2 years ago
User 1: I think the issue is with the clientssl profile.
YO
Yolando
2 years ago
I agree with Veronika. Without requiring a client certificate, the clients won't be able to connect through the virtual server.
JO
Johna
2 years ago
D is also a possibility. If the SSL offload on the LTM device is not configured correctly, the client certificate might not be forwarded to the application servers.
VE
Veronika
2 years ago
D) The application server does NOT see the client certificate due to SSL offload.
OD
Odette
2 years ago
C) The LTM device does NOT trust the issuing CA of the client certificate.
MA
Matthew
2 years ago
B) The clientssl profile is NOT set to require a client certificate.
RE
Remona
2 years ago
But could it also be that the LTM device does not trust the issuing CA of the client certificate?
EL
Elizabeth
2 years ago
Option B seems like the most likely cause. If the clientssl profile isn't set to require a client certificate, the clients won't be able to authenticate with the application servers.
TH
Thaddeus
2 years ago
Yes, that makes sense. Without requiring a client certificate, the clients won't be able to connect to the application through the virtual server.
SH
Shawnna
2 years ago
So, the root cause of the problem is likely that the clientssl profile is not set up correctly to authenticate the clients.
CA
Cassi
2 years ago
I think option B is correct. The clientssl profile needs to require a client certificate for authentication.
VE
Veronika
2 years ago
I think the root cause is that the clientssl profile is not set to require a client certificate.