AWS - Security Groups and Network ACLs
Which of the following is the correct syntax to allow inbound TCP traffic on port 22 from any IP in an AWS security group?
Which of the following is the correct syntax to allow inbound TCP traffic on port 22 from any IP in an AWS security group?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify correct keys for security group rule
The correct keys are IpProtocol, FromPort, ToPort, and CidrIp for inbound rules.Step 2: Match protocol and port for SSH
SSH uses TCP on port 22, so protocol tcp and ports 22 to 22 are correct.Final Answer:
Correct JSON with tcp protocol and port 22 -> Option BQuick Check:
Correct keys and values = {"IpProtocol": "tcp", "FromPort": 22, "ToPort": 22, "CidrIp": "0.0.0.0/0"} [OK]
Quick Trick: Use IpProtocol, FromPort, ToPort, CidrIp keys for rules [OK]
Common Mistakes:
- Using udp instead of tcp for SSH
- Incorrect port numbers
- Wrong key names like Protocol or Source
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