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Date:      Sat, 9 Oct 1999 08:14:23 +0800
From:      "Thomson Pang" <itpang@pd.jaring.my>
To:        <freebsd-security@FreeBSD.ORG>
Subject:   how to modify the packet
Message-ID:  <003e01bf11eb$3de70400$1f448ba1@Sismatik.utm.my>
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Dear
=20
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 ----->|


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<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>

<META content=3Dtext/html;charset=3Diso-8859-1 =
http-equiv=3DContent-Type>
<META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV>
<DIV><FONT color=3D#000000 size=3D2>Dear</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#000000 size=3D2>How to modify the packet below to =
the form=20
2<BR>&nbsp;&nbsp;&nbsp; IPv4&nbsp; |orig IP hdr&nbsp;&nbsp;&nbsp;=20
|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
|<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
|(any=20
options)| TCP | Data=20
|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
----------------------------<BR>&nbsp; (form=20
2)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =

-------------------------------------------------<BR>&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;=20
IPv4|&nbsp; orig IP hdr&nbsp; | ESP =
|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp; ESP |=20
ESP|<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; |(any=20
options)| Hdr&nbsp;&nbsp; | TCP | Data | Trailer=20
|Auth|<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;=20
-------------------------------------------------<BR>&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;=20
|&lt;----- encrypted=20
----&gt;|<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;=20
|&lt;------ authenticated =
-----&gt;|<BR></FONT></DIV></DIV></BODY></HTML>

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