Have you looked at our Quick Start guide for installing and tuning z/OS 2.2
OpenSSH?
https://dovetail.com/docs/pt-quick-inst/index.html

your question I believe is covered in section "1.6 Using ICSF and
/dev/random"



Kirk Wolf
Dovetailed Technologies
http://dovetail.com

On Wed, Oct 19, 2016 at 9:19 AM, Dazzo, Matt <
[email protected]> wrote:

> This is totally new world for me so bear with me.  Been reading for
> several hours on trying to determine what I need to satisfy the support of
> 'OpenSSH requires that a working /dev/random device' as I got the error
> 'FOTS1949 PRNG is not seeded' when testing SSH-FTP on my newly installed
> zos2.2 system.
>
> I determined that  ICSF has to be implemented (started) but does CPACF
> have to be  enabled ? From reading the archives I found in a thread that
> displaying the CPU would show if the CPACF is enabled?
>
> Below is a display of our CPU, appears the CPACF is not enabled? Does this
> require an IPL?
>
> D M=CPU
> IEE174I 09.46.57 DISPLAY M 216
> PROCESSOR STATUS
> ID  CPU                  SERIAL
> 00  +                     024E7E2828
> 01  +                     024E7E2828
> 02  +I                    024E7E2828
> 03  NI
> 04  NI
> 05  NI
>
>
> Thanks Matt
>
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