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  3. January 2005

Re: RE: RE: Accessing AS400 Through Port Redirection

It was not clear that you are specifying the external port when you try to connect to this IP address from the outside. You must put :4000 after the IP address, otherwise there is nothing to forward through the router.

http://yourexternalip:4000

If you want to come in with Client Access, there is a whole raft of ports you need to open up. The VPN suggestion is more secure. LinkSys makes some nice VPN routers/appliances that can also do port redirection to some extent, if needed. You either need a client on the remote computers or set up a VPN "dialup" connection in Windows.

HTH
Vern

At 06:28 AM 1/19/2005, you wrote: 
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
> >
> > --
> > This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing
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> >
> >
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>
>
> Jonathan Mason
> www.astradyne-uk.com
>
> --
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing
> list
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>
>
>
> --
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>


Jonathan Mason
www.astradyne-uk.com

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