AWS - Security Groups and Network ACLs
If you create a new security group without adding any inbound rules, what is the default inbound behavior?
If you create a new security group without adding any inbound rules, what is the default inbound behavior?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand default inbound rules for a new security group
New security groups start with no inbound rules, so all inbound traffic is denied by default.Step 2: Match this with the options
All inbound traffic is denied. correctly states that all inbound traffic is denied.Final Answer:
All inbound traffic is denied. -> Option AQuick Check:
New SG inbound default = deny all [OK]
Quick Trick: New security groups deny all inbound traffic by default [OK]
Common Mistakes:
MISTAKES- Assuming new SGs allow inbound from self by default
- Thinking inbound is open to all by default
- Confusing default SG with new custom SG behavior
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