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Re: from Lotus Notes
Jim,
For transport mode you just copy the 'Protocol' field in the IP Packet
to the 'Next Header' field of ESP header. It can be anything from
TCP/UDP/ICMP to IP to ESP to AH.
-Shamik
>
>
> Jim Tiller <jtiller@lucent.com> on 27/01/2000 23:39:02
>
> Please respond to Jim Tiller <jtiller@lucent.com>
>
>
> To: "Strahm, Bill" <bill.strahm@intel.com>
> cc: ipsec@lists.tislabs.com (bcc: Shamik Ganguly/HSS)
>
>
> Subject: Re[2]: Very quick, very basic
>
>
>
>
> oops, excellent observation:) Thank you. I was assuming TCP. thnx
>
> Thursday, January 27, 2000, 12:55:00 PM, you wrote:
>
> SB> Well assuming that you are sending TCP (and not UDP or ICMP) you are
> SB> correct...
>
> SB> Bill
>
> SB> ______________________________________________
> SB> Bill Strahm Programming today is a race between
> SB> bill.strahm@ software engineers striving to build
> SB> intel.com bigger and better idiot-proof programs,
> SB> (503) 264-4632 and the Universe trying to produce
> SB> bigger and better idiots. So far, the
> SB> Universe is winning.--Rich Cook
> SB> I am not speaking for Intel. And Intel rarely speaks for me
>
>
> >> -----Original Message-----
> >> From: Jim Tiller [mailto:jtiller@lucent.com]
> >> Sent: Thursday, January 27, 2000 8:30 AM
> >> To: ipsec@lists.tislabs.com
> >> Subject: Very quick, very basic
> >>
> >>
> >> Please excuse the silliness.
> >>
> >> The next header field in ESP contains an 8-bit value to represent the
> >> header contained within the encrypted payload.
> >> So, this is how I read it, please verify the
> >> following for me:
> >>
> >> ESP used in tunnel mode -next header = 4 for IP-in-IP
> >> ESP used in transport mode -next header = 6 for TCP.
> >>
> >> True or false? Or is it reversed?
> >>
> >> A very grateful thank you in advance.
> >>
> >> -jim
> >>
> >>
> >>
> >>
>
>
>
>