<P> IPsec is an end - to - end security scheme operating in the Internet Layer of the Internet Protocol Suite , while some other Internet security systems in widespread use , such as Transport Layer Security ( TLS ) and Secure Shell ( SSH ) , operate in the upper layers at the Transport Layer ( TLS ) and the Application layer ( SSH ) . IPsec can automatically secure applications at the IP layer . </P>
<P> IPsec is an end - to - end security scheme operating in the Internet Layer of the Internet Protocol Suite , while some other Internet security systems in widespread use , such as Transport Layer Security ( TLS ) and Secure Shell ( SSH ) , operate in the upper layers at the Transport Layer ( TLS ) and the Application layer ( SSH ) . IPsec can automatically secure applications at the IP layer . </P>
where does ipsec reside in a protocol stack
where does ipsec reside in a protocol stack
Internet Layer
Internet Layer