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Use of plain HTTP.

Default Severity: critical

Explanation

Plain HTTP is unencrypted and human-readable. This means that if a malicious actor was to eavesdrop on your connection, they would be able to see all of your data flowing back and forth.

You should use HTTPS, which is HTTP over an encrypted (TLS) connection, meaning eavesdroppers cannot read your traffic.

Possible Impact

Your traffic is not protected

Suggested Resolution

Switch to HTTPS to benefit from TLS security features

Insecure Example

The following example will fail the aws-elb-http-not-used check. 

 resource "aws_alb_listener" "bad_example" {
    protocol = "HTTP"
 }

Secure Example

The following example will pass the aws-elb-http-not-used check. 

 resource "aws_alb_listener" "good_example" {
    protocol = "HTTPS"
 }