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>Sort of a horrible requirement not to have it behind a firewall.

Technically not a requirement. 

_IF_ you have a firewall/NAT device that is capable of "L2TP Multihop"
it's possible to setup the VPN connection from within the internal
network. Technically there is one connection from your iSeries to your
firewall and another from the firewall (which has a public IP) to IBM.
Of course, almost no one has one of these firewalls. <G>

IIRC from beta days, this has to do with IBM's decision to use IPSEC and
L2TP and not PPTP as the VPN protocol. Since the IP address of the
sender (your iSeries) in embedded in the output packet and the entire
packet is encrypted there is no way to "fix" the IP address w/o
corrupting the outbound packet. Personally I find PPTP "secure enough"
at 128-bit encryption to transfer PTFs and phone-home so I think it was
a silly decision on Rochester's part. However, I'm not sure they have a
choice. It wouldn't surprise me to know that IBM network security won't
allow any VPN connection other than IPSEC/L2TP.

-Walden


------------
Walden H Leverich III
President & CEO
Tech Software
(516) 627-3800 x11
(208) 692-3308 eFax
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com 

Quiquid latine dictum sit altum viditur.
(Whatever is said in Latin seems profound.)
 
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Adam Lang
Sent: Monday, March 01, 2004 9:03 AM
To: Midrange Systems Technical Discussion
Subject: Re: AS/400 to IBM connection NOT thru line modems

Sort of a horrible requirement not to have it behind a firewall.

----- Original Message ----- 
From: "Vern Hamberg" <vhamberg@xxxxxxxxxxxxxxxxxxxxxxxxx>
To: "Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
Sent: Sunday, February 29, 2004 7:09 PM
Subject: Re: AS/400 to IBM connection NOT thru line modems


> If your release of OS400 is fairly recent (at least V5R1?) and your
AS/400
> is directly attached to the Internet (i.e., not behind a firewall), or
> there is another 400 that is outside the firewall and is addressable
from
> the Internet, there is a Universal Connection setup in Ops Nav that
can
use
> the Internet. A VPN session gets started with some IBM server. Also, I
> don't know about Espana.
>
> HTH
> Vern

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