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Telnet on 23 should be OK but Client Access and Mocha aren't really Telnet,
are they?
Still, no matter what method/client/software you use you should first test
it within your internal network by going straight to the IP address of the
AS/400. If it doesn't work internally it ain't gonna work from the
Internet.
Dave Parnin
Nishikawa Standard Company
Topeka, IN 46571
daparnin@xxxxxxxxxxxxxxxxxx
rob@xxxxxxxxx
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<midrange-l@xxxxxxxxxxxx>@SMTP@CTB
idrange.com cc: (bcc: David A
Parnin/Topeka/NISCO/SPCO)
Subject: Re: RE: RE:
Accessing AS400 Through Port Redirection
01/19/2005 10:14 AM
Please respond to
Midrange Systems
Technical Discussion
<midrange-l@midrange
.com>
Isn't 5250 merely telnet, in this case? Isn't that on the standard port
23? Or does not Linksys support redirection of port 23?
Rob Berendt
--
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com
daparnin@xxxxxxxxxxxxxxxxxx
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01/19/2005 10:08 AM
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Subject
Re: RE: RE: Accessing AS400 Through Port Redirection
There seems to be some confusion as to how you are attempting access (web
browser, Client Access, etc). I've got a Linksys router that does FTP
port
redirection to a PC-based ftp server. The router recognizes the FTP
request and automatically redirects to the designated internal IP address.
A 5250 session is not FTP or HTTP which typical come in on standard ports
so it won't redirect it. That's why you need to specify a port. You can
*open* a port to the AS/400 but you will have to specify it when you
connect.
If you are trying to connect with a web browser and set up HTTP port
redirection to the AS/400 I don't think that would work because that would
be more like using the AS/400 as a HTTP server which isn't really what you
want.
Dave Parnin
Nishikawa Standard Company
Topeka, IN 46571
daparnin@xxxxxxxxxxxxxxxxxx
Vernon Hamberg
<vhamberg@xxxxxxxxxx To: Midrange
Systems Technical Discussion
t> <midrange-l@xxxxxxxxxxxx>@SMTP@CTB
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midrange-l-bounces@m Subject: Re: RE: RE:
Accessing AS400 Through Port Redirection
idrange.com
01/19/2005 08:01 AM
Please respond to
Midrange Systems
Technical Discussion
<midrange-l@midrange
.com>
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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> > >
> > >
> > >
> > > --
> > > This is the Midrange Systems Technical Discussion (MIDRANGE-L)
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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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