AWS - Security Groups and Network ACLs
An administrator accidentally removed the outbound rule from the default security group. What will be the effect on instances using this group?
An administrator accidentally removed the outbound rule from the default security group. What will be the effect on instances using this group?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the role of outbound rules
Outbound rules control traffic leaving instances.Step 2: Analyze effect of removing outbound rule
Removing outbound rules blocks all outbound traffic, so instances cannot send outbound data.Final Answer:
Instances will not be able to send outbound traffic. -> Option CQuick Check:
Outbound rule removal blocks outbound traffic [OK]
Quick Trick: Outbound rules control traffic leaving instances [OK]
Common Mistakes:
- Thinking inbound traffic is affected by outbound rules
- Assuming instances lose IP addresses
- Believing traffic is unaffected without outbound rules
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