Re: RE: RE: Accessing AS400 Through Port Redirection

Does your cable modem provider permit you to "have a server in your 
network"? I have the same kind of problem with my cable modem environment, 
except that my IP address will change if I reboot the cable modem. 

My son told me to go to a site named 'Shields Up". Google took me to this 
URL:   https://grc.com/x/ne.dll?bh0bkyd2  It told me that the only port 
open to the outside is 8080. 

I was told previously to look at dyndns.org, but have yet to do so. 
Considering what I learned from Shields Up, I might be out of luck.


Paul Nelson
Arbor Solutions, Inc.
708-670-6978  Cell
pnelson@xxxxxxxxxx





Jonathan Mason <masonjo1@xxxxxxxxxxxxxxxx>
Sent by: midrange-l-bounces@xxxxxxxxxxxx
01/19/2005 06:28 AM
Please respond to Midrange Systems Technical Discussion
 
        To:     Midrange Systems Technical Discussion 
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        cc: 
        Subject:        Re: RE: RE: Accessing AS400 Through Port 
Redirection


Hi Mike

I already have the standard external ports, (80, 21, 23, etc) mapped to 
the relevant servers within the network and they work fine.  I have always 
been led to believe that mapping alternative ports to these ports on 
different servers is fine but it requires the external port to be 
specified (which I don't mind doing).

I started looking at the redirection to port 80, purely because I thought 
it would be the easiest to test - a different web page to that of my 
normal web server - figuring that if I could access a web page on the 
AS/400 then it should be fairly straight forward to access an interactive 
session with Client Access or Mocha TN5250 as the emulator.

I will double check the default route when I get back home on Friday.

Thanks

Jonathan



-----Original message-----
From: "Mike Silvers" MSilvers@xxxxxxxxxxx
Date: Wed, 19 Jan 2005 12:17:50 +0000
To: "Midrange Systems Technical Discussion" midrange-l@xxxxxxxxxxxx
Subject: RE: RE: Accessing AS400 Through Port Redirection

> Ok -- two things -- first -- a web page is not required to sign on to
> the 400.  Second, from what you described, the external traffic going to
> the web server originates from port 4000 in the external world.  If you
> would like the web page to be displayed to the outside world, the
> external port should be port 80.  So -- there should be no redirection
> going on.  The router should be set to allow port 80 to pass thru to
> 192.168.0.100.
> 
> If you would like to have remote access, I would recommend one of two
> ways.  The first is Client Access with SSL encryption.  The second way
> would be a VPN to your network and sign on using either Client Access
> (no SSL) or Rumba.
> 
> Mike 
> 
> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jonathan Mason
> Sent: Wednesday, January 19, 2005 7:05 AM
> To: Midrange Systems Technical Discussion
> Subject: Re: RE: Accessing AS400 Through Port Redirection
> 
> Hi Mike,
> 
> No, I use my registered domain address which gets the request to the
> router.  The AS400 is on a private address, 192.168.0.100, and the
> router redirects port 4000 to 192.168.0.100:80
> 
> Ultimately I want to be able to sign on to the AS400 over the internet
> when I'm working away from home - which happens a lot these days.
> 
> All the best
> 
> Jonathan 
> 
> -----Original message-----
> From: "Mike Silvers" MSilvers@xxxxxxxxxxx
> Date: Wed, 19 Jan 2005 11:40:13 +0000
> To: "Midrange Systems Technical Discussion" midrange-l@xxxxxxxxxxxx
> Subject: RE: Accessing AS400 Through Port Redirection
> 
> > When you are trying to access the web page from the external world,
> are
> > you using the url: http://ipaddress:4000/ ? 
> > 
> > -----Original Message-----
> > From: midrange-l-bounces@xxxxxxxxxxxx
> > [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jonathan Mason
> > Sent: Wednesday, January 19, 2005 6:06 AM
> > To: Midrange-L
> > Subject: Accessing AS400 Through Port Redirection
> > 
> > I have a model 150 running v4r5 at home which is connected to my home
> > network.  I also have a cable broadband connection to my network with
> a
> > static IP address and a Draytek Vigor 2104p router peforming NAT and
> > Port Redirection.
> > 
> > I want to be able to access the AS/400 over the internet, and have set
> > up Port Redirection to map a specific port to the AS/400 (for example
> > Port 4000 being redirected to the AS/400's port 80).  However, when I
> > try to connect from outside of the network I get no response from the
> > AS/400.  Looking at the router, I can see that the Port Redirection
> has
> > generated the correct address and port, but the AS/400 doesn't pick it
> > up.
> > 
> > Is there anything that needs to be configured on the AS/400 that I may
> > have missed?  I can see web pages from within the network, but not
> from
> > the outside.
> > 
> > Any suggestions would be most appreciated.
> > 
> > Thanks
> > 
> > Jonathan
> > 
> > 
> > Jonathan Mason
> > www.astradyne-uk.com
> > 
> > -- 
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> > 
> > 
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> 
> 
> Jonathan Mason
> www.astradyne-uk.com
> 
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> 
> 
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Jonathan Mason
www.astradyne-uk.com

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