Mailinglist Archive: opensuse (1355 mails)

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Re: [opensuse] Network manager does not restore same connection
On 06/24/2018 07:18 AM, Carlos E. R. wrote:
That's easy enough to do based on MAC address.  With some DHCP servers
you can create a list of MACs to allow or deny.
I know, but it was way more complex than that.

As I said, the machines had to be configured in Bios to boot only from
network, never from disk. They loaded some code, and this did the auth
and allowed Windows to boot properly.

That's beyond basic DHCP.  Booting from the network has been around at
least as long as bootp.  When you start downloading software on boot,
then you can do all sorts of things.  You may recall Novell Netware,
which booted DOS first and then loaded Netware from disk.  IIRC, it
could also load from the network, but not sure on that.


He told me the name of the
protocol but that was years ago and I have forgotten. At a military place.


I mentioned bootp and now there's PXE.  Of course, the military might
have something proprietary, that we'd never see in a normal network
environment.

https://en.wikipedia.org/wiki/Preboot_Execution_Environment.

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