Great Circle Associates Firewalls
(February 1995)
 

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Subject: RE: netboot for bastion host
From: "Antonio Vasconcelos" <antonio_vasconcelos @ q950 . bvl . pt>
Date: 21 Feb 1995 20:55:08 +0000
To: sumisu @ slab . ntt . jp
Cc: "FireWalls Mailing List" <firewalls @ greatcircle . com>

>I remember a discussion several weeks ago about using a CD-ROM based
>bastion host, mounting filesystems read-only, etc.  I was wondering if
>anyone has given thought to netbooting a bastion host from a trusted
>system inside the firewall.  Is there any value to this?  I was
>thinking that this way you could ensure a "virgin" system just by
>rebooting the machine...  Any changes to the kernel or other files
>would be gone after reboot, etc.

If you can make your own boot cd with things like root and usr
it sure llooks a good idea, the machile will be slow, ok but methinks
it will be SAFE.

But how to solve things like /usr/tmp and /var/tmp ? Those can't be in
cdrom and I think they must be mounted at boot time.

We have a cdrom burner, but I have no idea of how to write a solaris
2.x
boot disk...
--
vasco


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