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Network Route-through, Security and Firewalls?

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The Question is:

Hi dummy elephant,
I have Alpha with 2 NIC
Different types of Alpha
Mixed VMS versions 7.x
How can I be shure my Alpha do no routing or act as a router between the 2 NIC?
 (I want my two networks be absolutely independant except of what is filtered
 by an application that talk on the 2 sides of the Alpha)
(I have decnet and/or TCPIP)
Does I have to check only the licenses (and what licenses) or what TCPIP or
 Decnet tasks are started?

The Answer is :

  Please contact the services organization for assistance in securing
  and hardening your OpenVMS system -- your question is potentially
  exceedingly complex, particularly depending on the network address
  assignments of the two networks.
  Assuming a simple network address assignment and simple software
  configuration, disable both DECnet and IP routing using the provided
  product configuration tools.  This will reduce the exposure, but --
  without an evaluation of all applications operating -- may not
  eliminate all potential traffic route-through.
  External firewall boxes are an inexpensive and effective option.

answer written or last revised on ( 18-JUN-2003 )

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