\documentclass{report}

\usepackage{classicthesis,lipsum}

\usepackage{hyperref}
\PassOptionsToPackage{pdftex,hyperfootnotes=false,pdfpagelabels}{hyperref}
\hypersetup{colorlinks=true, linktocpage=false, breaklinks=true, pageanchor=true, linkcolor=RoyalBlue}

\begin{document}

\tableofcontents

\sloppy % Just for this example

\chapter{First chapter}\lipsum[1]
\section{First section}\lipsum[1-10]
\section{Second section}\lipsum[11-20]
\section{Third section}\lipsum[21-30]
\section{Last section}\lipsum[31-40]

\chapter{Second chapter}\lipsum[1]
\section{First section}\lipsum[1-10]
\section{Second section}\lipsum[11-20]
\section{Third section}\lipsum[21-30]
\section{Last section}\lipsum[31-40]

\chapter{Third chapter}\lipsum[1]
\section{First section}\lipsum[1-10]
\section{Second section}\lipsum[11-20]
\section{Third section}\lipsum[21-30]
\section{Last section}\lipsum[31-40]

\chapter{Last chapter}\lipsum[1]
\section{First section}\lipsum[1-10]
\section{Second section}\lipsum[11-20]
\section{Third section}\lipsum[21-30]
\section{Last section}\lipsum[31-40]

\end{document}