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Exam AWS Certified Security - Specialty SCS-C02 All Questions

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Exam AWS Certified Security - Specialty SCS-C02 topic 1 question 67 discussion

Exam question from Amazon's AWS Certified Security - Specialty SCS-C02
Question #: 67
Topic #: 1
[All AWS Certified Security - Specialty SCS-C02 Questions]

A company is hosting multiple applications within a single VPC in its AWS account. The applications are running behind an Application Load Balancer that is associated with an AWS WAF web ACL. The company's security team has identified that multiple port scans are originating from a specific range of IP addresses on the internet.

A security engineer needs to deny access from the offending IP addresses.

Which solution will meet these requirements?

  • A. Modify the AWS WAF web ACL with an IP set match rule statement to deny incoming requests from the IP address range.
  • B. Add a rule to all security groups to deny the incoming requests from the IP address range.
  • C. Modify the AWS WAF web ACL with a rate-based rule statement to deny the incoming requests from the IP address range.
  • D. Configure the AWS WAF web ACL with regex match conditions. Specify a pattern set to deny the incoming requests based on the match condition.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by oioi at Nov. 23, 2023, 8:15 p.m.
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navid1365
4 months, 3 weeks ago
Selected Answer: A
Different available categories for AWS WAF conditions: - ip address - geolocation -string and RegEx matching -SQLi -XSS -Size Constraints In this example ip address range is correct
upvoted 1 times
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Raphaello
7 months, 2 weeks ago
Selected Answer: A
The offending IP's are specified, and the request is to "DENY" access from them. There's no reason to rate-limit the flow. Just block it. A.
upvoted 1 times
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MikeRach
7 months, 4 weeks ago
AWS WAF--> Inspects the request against a set of IP addresses and address ranges. https://docs.aws.amazon.com/waf/latest/developerguide/waf-rule-statement-type-ipset-match.html
upvoted 1 times
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3633f8f
9 months, 3 weeks ago
Selected Answer: A
As per below discussion.
upvoted 1 times
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Daniel76
10 months ago
Selected Answer: C
https://docs.aws.amazon.com/waf/latest/developerguide/listing-managed-ips.html
upvoted 1 times
WeepingMaplte
9 months, 3 weeks ago
You will use rate limit if it is normal HTTP/s traffic. For port scanning is a network reconnaissance technique used to identify which ports on a computer system are open and potentially vulnerable. You will want to block it 100%.
upvoted 2 times
3633f8f
9 months, 3 weeks ago
The question is how to apply what the security engineer wants to do which is to block every single request coming from that IP set. Hence, I also think correct answer is A.
upvoted 2 times
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Daniel76
9 months, 1 week ago
agree, should be C.
upvoted 1 times
Daniel76
9 months, 1 week ago
agree, should be A instead.
upvoted 1 times
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[Removed]
10 months, 2 weeks ago
Selected Answer: A
Agreed on A
upvoted 1 times
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oioi
10 months, 2 weeks ago
Selected Answer: A
correct
upvoted 2 times
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