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Groups > linux.debian.user > #237603
| From | Nicholas Geovanis <nickgeovanis@gmail.com> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: MDs & Dentists |
| Date | 2021-07-21 22:40 +0200 |
| Message-ID | <CDray-1Fd-17@gated-at.bofh.it> (permalink) |
| References | (6 earlier) <CDlRw-6JH-13@gated-at.bofh.it> <CDmud-7bz-9@gated-at.bofh.it> <CDn6V-7DY-3@gated-at.bofh.it> <CDnqh-7K3-3@gated-at.bofh.it> <CDocG-8id-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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On Wed, Jul 21, 2021, 12:27 PM Reco <recoverym4n@enotuniq.net> wrote: > On Wed, Jul 21, 2021 at 09:36:37AM -0700, James H. H. Lampert wrote: > > "Immutable backups." Interesting concept. But how? > > ....... > OS/400 was before my time, but I have a limited experience with z/VM > which ran at z9 mainframe about 10 years ago. I wrote security software for z/VM's ancestors VM/XA and VM/SP. I read years ago of trojan proof-of-concept code for the MVS series OSs from IBM. It could be done but of course was an insider attack. One day certain IBM > engineer somehow managed to execute a certain job from one LPAR in > another, completely breaking the isolation between LPARs. The mainframe > just shutdown presumably to prevent other abuse to happen, and in modern > terms this could be classified as locally executed DOS attack. > A B-level mandatory-access control OS is specified to prevent that. It can be done by 3rd party software if, of course, you are able to front-end the system calls (SVCs in their terminology). We did have source licenses for our implementation on HP/UX and Solaris but it was not strictly necessary. ...... > As long as OS promotes and considers perfectly normal to run arbitrary > software obtained from $DEITY knows where - such OS cannot provide any > kind of meaningful security, user data being considered. > It's counter-intuitive I know, but your statement is provably false with the right security model. Google the Bell-LaPadula model. Equally valid in what we consider a normal computing environment and even in multi-user unix/Linux environments. > Reco > >
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Re: MDs & Dentists Charlie Gibbs <cgibbs@surfnaked.ca> - 2021-07-14 17:40 +0200
Re: MDs & Dentists Jude DaShiell <jdashiel@panix.com> - 2021-07-14 20:30 +0200
Re: MDs & Dentists John Hasler <john@sugarbit.com> - 2021-07-14 21:30 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 00:30 +0200
Re: MDs & Dentists ellanios82 <ellanios82@gmail.com> - 2021-07-14 21:50 +0200
Re: MDs & Dentists Weaver <weaver@riseup.net> - 2021-07-14 22:00 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 00:40 +0200
Re: MDs & Dentists Weaver <weaver@riseup.net> - 2021-07-15 01:00 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 01:40 +0200
Re: MDs & Dentists Weaver <weaver@riseup.net> - 2021-07-15 02:40 +0200
Re: MDs & Dentists Gene Heskett <gheskett@shentel.net> - 2021-07-15 03:20 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 04:00 +0200
Re: MDs & Dentists Weaver <weaver@riseup.net> - 2021-07-15 04:00 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 04:10 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 00:30 +0200
Re: MDs & Dentists jeremy ardley <jeremy@ardley.org> - 2021-07-15 01:10 +0200
Re: MDs & Dentists jeremy ardley <jeremy@ardley.org> - 2021-07-15 02:30 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 04:00 +0200
Re: MDs & Dentists Stefan Monnier <monnier@iro.umontreal.ca> - 2021-07-15 03:50 +0200
Re: MDs & Dentists Weaver <weaver@riseup.net> - 2021-07-15 04:00 +0200
Re: MDs & Dentists ellanios82 <ellanios82@gmail.com> - 2021-07-15 09:50 +0200
Re: MDs & Dentists Jeremy Ardley <jeremy@ardley.org> - 2021-07-15 10:10 +0200
Re: MDs & Dentists Weaver <weaver@riseup.net> - 2021-07-15 10:10 +0200
Re: MDs & Dentists Joe <joe@jretrading.com> - 2021-07-15 11:40 +0200
Re: MDs & Dentists <tomas@tuxteam.de> - 2021-07-15 12:30 +0200
Re: MDs & Dentists Reco <recoverym4n@enotuniq.net> - 2021-07-15 08:50 +0200
Re: MDs & Dentists Celejar <celejar@gmail.com> - 2021-07-20 17:40 +0200
Re: MDs & Dentists Reco <recoverym4n@enotuniq.net> - 2021-07-21 10:20 +0200
Re: MDs & Dentists Celejar <celejar@gmail.com> - 2021-07-21 17:00 +0200
Re: MDs & Dentists Reco <recoverym4n@enotuniq.net> - 2021-07-21 17:40 +0200
Re: MDs & Dentists Dan Ritter <dsr@randomstring.org> - 2021-07-21 18:00 +0200
Re: MDs & Dentists Gunnar Gervin <dofeelok@gmail.com> - 2021-08-01 15:40 +0200
Re: MDs & Dentists "Andrew M.A. Cater" <amacater@einval.com> - 2021-08-01 16:00 +0200
Re: MDs & Dentists Gunnar Gervin <dofeelok@gmail.com> - 2021-08-01 16:00 +0200
Re: MDs & Dentists rhkramer@gmail.com - 2021-08-01 18:30 +0200
Re: MDs & Dentists "Andrew M.A. Cater" <amacater@einval.com> - 2021-08-01 19:10 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-08-01 22:30 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-08-01 22:50 +0200
Re: MDs & Dentists Gunnar Gervin <dofeelok@gmail.com> - 2021-08-02 15:00 +0200
Re: MDs & Dentists Gunnar Gervin <dofeelok@gmail.com> - 2021-08-02 15:00 +0200
Re: MDs & Dentists Dan Ritter <dsr@randomstring.org> - 2021-08-01 18:00 +0200
Re: MDs & Dentists Gunnar Gervin <dofeelok@gmail.com> - 2021-08-01 15:50 +0200
Hard to understand, being clear [ was Re: MDs & Dentists] Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-08-01 22:40 +0200
Re: Hard to understand, being clear [ was Re: MDs & Dentists] Gunnar Gervin <dofeelok@gmail.com> - 2021-08-02 15:40 +0200
Re: Hard to understand, being clear [ was Re: MDs & Dentists] Gunnar Gervin <dofeelok@gmail.com> - 2021-08-02 16:00 +0200
Re: MDs & Dentists Nicholas Geovanis <nickgeovanis@gmail.com> - 2021-07-21 18:20 +0200
Re: MDs & Dentists "James H. H. Lampert" <jamesl@touchtonecorp.com> - 2021-07-21 18:40 +0200
Re: MDs & Dentists "Thomas Schmitt" <scdbackup@gmx.net> - 2021-07-21 19:10 +0200
Re: MDs & Dentists Stefan Monnier <monnier@iro.umontreal.ca> - 2021-07-21 19:40 +0200
Re: MDs & Dentists "Thomas Schmitt" <scdbackup@gmx.net> - 2021-07-21 20:20 +0200
Re: MDs & Dentists Stefan Monnier <monnier@iro.umontreal.ca> - 2021-07-21 21:50 +0200
Re: MDs & Dentists "Thomas Schmitt" <scdbackup@gmx.net> - 2021-07-21 23:50 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-21 19:20 +0200
Re: MDs & Dentists Reco <recoverym4n@enotuniq.net> - 2021-07-21 19:40 +0200
Re: MDs & Dentists Reco <recoverym4n@enotuniq.net> - 2021-07-21 19:30 +0200
Re: MDs & Dentists Nicholas Geovanis <nickgeovanis@gmail.com> - 2021-07-21 22:40 +0200
Re: MDs & Dentists Celejar <celejar@gmail.com> - 2021-07-21 20:40 +0200
Re: MDs & Dentists Reco <recoverym4n@enotuniq.net> - 2021-07-21 21:10 +0200
Re: MDs & Dentists Celejar <celejar@gmail.com> - 2021-07-21 22:30 +0200
Re: MDs & Dentists Richard Hector <richard@walnut.gen.nz> - 2021-07-21 21:20 +0200
Re: MDs & Dentists Michael Lange <klappnase@freenet.de> - 2021-07-15 13:10 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 15:40 +0200
Re: MDs & Dentists Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-15 00:30 +0200
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