Check that TLS 1.1 is not supported on a website

tls-check.sh

#!/bin/bash

SITES=("https://www.kampiapina.com" "https://apina.studio")

for i in "${SITES[@]}"
do
    
    # Ask file with old version of TLS. Should return an error.
    curl $i --verbose  --tlsv1.1 --tls-max 1.1 &> response.txt

    # Check that the error exists on the response.
    if ! grep -q "curl: (35) error" response.txt
    then
        echo "$i - FAILED"
    else
        echo "$i - passed"
    fi

done