Mainframe RAS Dialups







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In this case, we do mean those dialups linked exclusively to the IT server room. These dialups show up where old phone pairs travel from the telco box "up on the wall," or the PBX cabinet, to 2.400 or 9.600 bps modems connected to mainframe systems such as the IBM AS/400, DEC VMS, HP3000, and so on. Obviously, testing will start from the default accounts known for these OSs and then proceed to application names (even in local languages—don't forget this hint!) and well-known local software application names— since worldwide only a few companies in the '80s and '90s were developing software for mainframe environments.

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