Subject: how to modify packet

From: Looking For Me <[email-masked]>
Date: Fri, 10 Sep 1999 15:17:21 +0700

Dear,
In Linux enviroment,
    How to modify the packet below to form 2 and send to other
            |orig IP hdr  |     |      |
       IPv4 |(any options)| TCP | Data |

(form 2)

            -------------------------------------------------
      IPv4  |orig IP hdr  | ESP |     |      |   ESP   | ESP|
            |(any options)| Hdr | TCP | Data | Trailer |Auth|
            -------------------------------------------------
                                |<----- encrypted ---->|
                          |<------ authenticated ----->|

Thanks.
From:
Pang.