Authentication of tunneled connections

Details Authentication of tunneled connections Authentication of tunneled connections

2005-02-03

2010-02-09

Zand, Kambiz (Department: 2434)

Information security

Access control or authentication

Network

C709S220000, C709S223000, C709S227000, C709S230000

Reexamination Certificate

active

07661131

ABSTRACT:
Systems and methods are described for authentication of tunneled connections. A method includes establishing a first connection (CIO) from an inner agent to an outer agent including making a first TCP connection from the inner agent to the outer agent, negotiating a first SSL/TLS session (SSLSessionIO) between the inner agent and the outer agent over the first TCP connection and applying the second SSL/TLS session (SSLSessionIO) between the inner agent and the outer agent over the first TCP connection; establishing a second connection (CCO) from a client and the outer agent including making a second TCP connection from the client to the outer agent, negotiating a second SSL/TLS session (SSLSessionCO) between the client and the outer agent over the second TCP connection and applying the second SSL/TLS session (SSLSessionCO) between the client and the outer agent over the second TCP connection; and then negotiating a third SSL/TLS session (SSLSessionCI) between the client and the inner agent via both the first SSL/TLS session (SSLSessionIO) and the second SSL/TLS session (SSLSessionCO) and applying the third SSL/TLS session (SSLSessionCI) between the client and the inner agent layered over both the first SSL/TLS session (SSLSessionIO) and the second SSL/TLS session (SSLSessionCO), wherein negotiating the second SSL/TLS session (SSLSessionCO) includes verifying at the outer agent that the client possesses a certificate signed with a certificate associated with the inner agent.

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