\beamer@endinputifotherversion {3.06pt} \select@language {english} \beamer@subsectionintoc {1}{1}{Definition}{2}{0}{0} \beamer@subsectionintoc {1}{2}{Types of Tunneling Protocols}{3}{0}{0} \beamer@subsectionintoc {1}{3}{IP headers}{4}{0}{0} \beamer@subsectionintoc {1}{4}{Generic Routing Encapsulation (GRE)}{5}{0}{0} \beamer@subsectionintoc {1}{5}{PPTP}{6}{0}{0} \beamer@subsectionintoc {1}{6}{IPsec}{7}{0}{0} \beamer@subsectionintoc {1}{7}{IPsec : the framework}{8}{0}{0} \beamer@subsectionintoc {1}{8}{IPsec : the framework 2nd part}{9}{0}{0} \beamer@subsectionintoc {1}{9}{IPsec AH/Transport mode}{10}{0}{0} \beamer@subsectionintoc {1}{10}{IPsec AH/Tunnel mode}{11}{0}{0} \beamer@subsectionintoc {1}{11}{IPsec HMAC (AH auth)}{12}{0}{0} \beamer@subsectionintoc {1}{12}{IPsec ESP/Transport mode}{13}{0}{0} \beamer@subsectionintoc {1}{13}{IPsec ESP/Tunnel mode}{14}{0}{0} \beamer@subsectionintoc {1}{14}{IPsec a final use}{15}{0}{0}