Subject: how to modify the packet

From: "Thomson" <[email-masked]>
Date: Sat, 9 Oct 1999 08:20:14 +0800

Dear
 
How to modify the packet below to the form 2
    IPv4  |orig IP hdr    |        |         |
            |(any options)| TCP | Data |            ----------------------------
  (form 2)
            -------------------------------------------------
      IPv4|  orig IP hdr  | ESP |        |         |   ESP | ESP|
            |(any options)| Hdr   | TCP | Data | Trailer |Auth|
            -------------------------------------------------
                                |<----- encrypted ---->|
                          |<------ authenticated ----->|