if curl -s --head --request GET http://192.168.27.248 | grep "200 OK" > /dev/null; then
  echo "HTTP connection to example.com is available"
else
  echo "HTTP connection to example.com failed"
fi

if curl -s -k --head --fail https://192.168.27.248 > /dev/null; then
  echo "HTTPS connection to example.com is available (ignoring cert issues)"
else
  echo "HTTPS connection to example.com failed"
fi