AWS - Security Groups and Network ACLs
Which inbound rule configuration correctly allows HTTPS traffic on port 443 from any IPv4 address in an AWS security group?
Which inbound rule configuration correctly allows HTTPS traffic on port 443 from any IPv4 address in an AWS security group?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the correct protocol
HTTPS uses TCP protocol, so the protocol must be TCP.Step 2: Identify the correct port
HTTPS traffic uses port 443, so the port range must be 443.Step 3: Identify the correct source
To allow traffic from any IPv4 address, the source must be 0.0.0.0/0.Final Answer:
Protocol: TCP, Port Range: 443, Source: 0.0.0.0/0 -> Option CQuick Check:
Protocol TCP + Port 443 + Source 0.0.0.0/0 [OK]
Quick Trick: HTTPS uses TCP port 443 from 0.0.0.0/0 [OK]
Common Mistakes:
MISTAKES- Using UDP instead of TCP for HTTPS
- Setting port 80 instead of 443
- Using IPv6 (::/0) when IPv4 is required
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