RE: Establishing P-t-P FTP connection

You would use iSeries Navigator to set up the PTP connection  objects
        Under Network
                  Remote Access Services
                    Originator Connection Profiles


Use command STRTCPPTP to start a connection
Use command ENDTCPPTP to end it when done


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
jmmckee@xxxxxxxxxxxxxx
Sent: Thursday, January 25, 2007 7:38 AM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Establishing P-t-P FTP connection

A modem is used to establish a TCP/IP connection to a specific
destination ,
much like a home computer dialing (I still do this - vanishing breed) 
an ISP. Once the ISP modem answers, a SLIP connection is established.

Point of using P-t-P is that a (relatively) secure connection is
established
between two specific points.

We currently use ZMODEM over an async modem.  But, the other party is
having
difficulty with their phone system.  They feel a change is needed.
ZMODEM
provides the capability to transmit and receive files.  Difference
between
ZMODEM and P-t-P connection is that standard FTP can be used, and the
connection is a direct connection.  I would think this would be slightly
more
secure than a straight, unencrypted FTP connection, as the route is more
direct.

In looking at the setup, it appears that at a minimum, a controller 
description
would be required as that would be the mechanism where the disliag
process
would be initiated.

With ZMODEM, a line/controller/device is also created.  The actual
dialing
process is controlled by commands within ZMODEM, specifically, the DIAL
command.  With a P-t-P connection the dialing (has to be a more modern 
word) is
initiated when the configuration items are varied on.

With a P-t-P connection, the default route is NOT the standard gateway, 
but the
dialup connection.

At least, that is my understanding.

John McKee

Quoting Scott Klement <midrange-l@xxxxxxxxxxxxxxxx>:

What are commands needed to establish a Point-to-Point FTP

connection?

Do you mean a point-to-point TCP/IP connection?  in other words, SLIP

or

PPP?  Or do you mean something like PPTP?  Or PPoE?

FTP is just a program that runs over TCP/IP.  It doesn't matter

whether

that TCP connection was established via SLIP/PPP, or whether it uses

any

of the hundreds of other ways of establishing a TCP/IP connection.
(Etherhet, Token Ring, FDDI, ISDN, etc, etc, etc.)  FTP doesn't know

or

care which underlying physical media is used to transport the TCP/IP
packets. It just uses TCP/IP.  Let the operating system worry about

how to

transport the packets!

This is true of all TCP/IP software, of which FTP is only one.  Others
(TELNET, E-MAIL, WEB, etc, etc) will also work over the same PTP
connection.

I am assuming that a line description. controller, and device
description are needed and must be manually created before ADDTCPPTP

can

be used.  The iSeries already has functioning access to the internet.

I'm lost.  If you already have internet access, why do you need a
point-to-point connection?

Not sure where to look for the answers and appreciate all assistance.

A quick Google search found this:
http://tinyurl.com/35bun8

It has lots of links to information about configuring and

troublehsooting

SLIP and PPP.  Of course, I'm not exactly sure if that's what you're
looking for...
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