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LPI 202-450 Exam - Topic 5 Question 16 Discussion

Using its standard configuration, how does fail2ban block offending SSH clients?
B) By modifying and adjusting the SSHD configuration.
A) By rejecting connections due to its role as a proxy in front of SSHD.
C) By creating and maintaining netfilter rules.
D) By creating null routes that drop any answer packets sent to the client.
E) By modifying and adjusting the TCP Wrapper configuration for SSHD.

LPI 202-450 Exam - Topic 5 Question 16 Discussion

Actual exam question for LPI's 202-450 exam
Question #: 16
Topic #: 5
[All 202-450 Questions]

Using its standard configuration, how does fail2ban block offending SSH clients?

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Suggested Answer: B

by Brandon at May 06, 2022, 02:21 PM

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Gene
8 months ago
I always thought it was null routes. Interesting!
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Gilberto
9 months ago
Nope, definitely not modifying SSHD config.
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Thaddeus
9 months ago
Wait, I thought it was a proxy?
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Bernardine
9 months ago
Totally agree, it's all about those iptables rules!
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Hermila
9 months ago
Fail2ban blocks SSH clients by creating netfilter rules.
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Leota
9 months ago
I'm leaning towards the netfilter rules option too, but I can't shake the feeling that there was something about rejecting connections as a proxy.
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Isadora
9 months ago
I feel like the answer might be about netfilter rules, but I also vaguely recall something about TCP Wrapper.
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Tonette
9 months ago
I remember practicing a question about fail2ban, and I think it was related to modifying SSHD configuration, but that doesn't seem right for this one.
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Blondell
9 months ago
I think fail2ban blocks SSH clients by creating netfilter rules, but I'm not entirely sure if that's the only method it uses.
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Lanie
9 months ago
Hmm, this is a tricky one. I'm leaning towards option C, since that sounds like a one-on-one coaching engagement, which seems like the kind of "accelerator" service they might offer. But I'm not completely confident.
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Leslie
9 months ago
Ah, I see now. File storage is the way to go for organizing data in a hierarchical structure on a NAS device. I'll select that option.
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Leoma
9 months ago
This is a good test of our understanding of basic insurance concepts. I'm going to carefully read through the question again, think it through step-by-step, and then select the answer I'm most confident in.
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Willow
10 months ago
This looks like a straightforward question about the components of an Audit Configuration file. I think the answer is DataExtractors, since that component is responsible for taking input data and producing some kind of output.
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Tomislav H
3 years ago
fail2ban doesn't change configuration, it uses iptables or some script on behalf of iptables, so C is the correct answer
upvoted 1 times
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