TCP over IPSEC NAT encapsulation

Discussion in 'Cisco' started by anth0, Dec 18, 2003.

  1. anth0

    anth0 Guest

    Hello, i am not talking about the NAT Traversal solution, but the TCP
    over IPSEC one, used by cisco devices.

    I read that the following encapsulation scheme is used :

    IP|TCP|ESP|IP|TCP|payload

    Am i right ? or ESP is used in transport mode ? I read too on cisco
    docs than TCP over IPSEC cannot work with proxy based firewalls. Could
    someone tell me why ?

    Thanks
     
    anth0, Dec 18, 2003
    #1
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