Re: [Openvpn-users] AS400 and Linux Printing in differentSubnets overOpenVPN

["LLLActive@xxxxxxx" <LLLActive@xxxxxxx>]

On Wed, 2006-08-02 at 12:29 +0530, Sunil S wrote:
> Is this a firewall issue somewhere?
> 
> If you are using IBM client access to print to the client printer over a
> tn5250 session, we have noticed that it uses multiple ports before
> setting up the session, not just 23.  Any blocked port could cause
> session setup failure.  Please ensure that all necessary ports are open.

Hi Sunil S,

We print directly from the AS400 to the network printers. From the
client the screen copy does work, but we send print jobs directly from
the AS400 to the printers.

I have opened the ports 9100 and 5301 (used by AS400 for IBM NP17
printers) on both firewalls. I thought that the VPN tunneling passes
everything on the other subnet. Windows PC ports are normally open to
the internet despite the blocked ports on the SUSEfirewall2 itself. Does
opening the ports on the firewall not only open the ports on itself?
Does it have an effect on the ports of the subnet's devices like PC's
and Printers? I have seen that opening the ports for some P2P networks
need to be opened on the firewall as well before they work with "high
ID".

Additionally my problem is why Linux can not print over the OpenVPN but
Windows can, even though Linux can ping the printers on the other side
of the OpenVPN. I suspect that the problem is the same for Linux and
AS400 printing; solving the Linux print problem will probably also solve
the AS400 print problem.

:-)
Al

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