In <[log in to unmask]> [log in to unmask] writes:

> We currently have a remote site that uses WRQ RNS and Reflections to
> access our HP3000s via TCP/IP and VT. They are also attached to our
> Novell LAN. They are an independent company and are going to provide
> access to the Internet to their company. We want to force all of their
> communication to our LAN and our HP3000 to go through our Raptor
> firewall. We need to know if the TCP port that the HP3000/VT sessions
> coming from Reflections is configurable. We want the firewall to do some
> proxy hand offs of this traffic, ie we point the reflections sessions to
> the firewall and the firewall then points them to the HP3000s. Our
> firewall people tell us they need the TCP port to be static or at least
> defined to a small range (it currently ranges greatly.)

NS VT connections work on TCP port 1537 or 1570 (most recent implementations
use the 1570 port). You can't change that or you won't get to the right
service on the 3000.

Proxying NSVT stuff is sometimes a problem; for firewall vendors with only
fixed lists of ports/services they support, you can bet that NSVT isn't on
their list. The more flexible firewalls allow you to proxy any tcp port
and you should be able to setup proxy's on 1537 and/or 1570.

This is more of an issue for your firewall vendor than WRQ. Tell them you
need to proxy services on ports 1537 and 1570.

                    -Chris Bartram


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