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OpenVMS Hobbyist Program | Hobbyists and OpenVMS | How I Use OpenVMS
Author Regarding UICs in User Accounts??
vmsfreak01
Member

Posts: 41
Joined: 19.06.08
Posted on July 20 2008 01:07
Hi,

Ok, heres just an example on what my question would be.

Suppose now I created a my own username account with a UIC of [1000,1].....Ok, thats fine.

But, in order to avoid using duplicate UIC of [1000,1], what UIC should I provide for my next 20 users (for example)....????

Please help.
Thx.
Author RE: Regarding UICs in User Accounts??
brad
Member

User Avatar

Posts: 134
Location: Hopedale, MA USA
Joined: 15.12.05
Posted on July 20 2008 02:26
vmsfreak01 wrote:
Hi,

Ok, heres just an example on what my question would be.

Suppose now I created a my own username account with a UIC of [1000,1].....Ok, thats fine.

But, in order to avoid using duplicate UIC of [1000,1], what UIC should I provide for my next 20 users (for example)....????

Please help.
Thx.


I'm assuming here that you wish to have all users "reside" in group 1000; if so, then [1000,2], [1000,3], ... [1000,7], [1000,10], etc. (watch out for the octal numbering system here!) would meet your needs. All users would be in the same "group", and the "group" permission bit on files would come into play, as well as the group logical name table.

The ability to group users by similarity (of work function, user interest, etc.) is a very powerful security construct. It would be a good idea to look at the related manuals that deal with this subject, to help you plan "userland".
http://www.turquoisewitch.com/~bradh
Author RE: Regarding UICs in User Accounts??
vmsfreak01
Member

Posts: 41
Joined: 19.06.08
Posted on July 20 2008 03:17
Well thanks.

So, if I wanted to create my next user account, it would be likr this [1000,2] next user...[1000,2].....next user...[1000,3]

Will this be OK?

Its probably documented in the VMS Admin Guide also which I wlll look this up as well.
Author RE: Regarding UICs in User Accounts??
brad
Member

User Avatar

Posts: 134
Location: Hopedale, MA USA
Joined: 15.12.05
Posted on July 20 2008 03:27
vmsfreak01 wrote:
Well thanks.

So, if I wanted to create my next user account, it would be likr this [1000,2] next user...[1000,2].....next user...[1000,3]

Will this be OK?

Its probably documented in the VMS Admin Guide also which I wlll look this up as well.


Consider having a look at the "OpenVMS Guide to System Security" as well; start with Chapter 4, which deals with some of the current questions you have, but have a look through the rest of the manual, as well.

It may seem a bit tiring to spend much time in planning for such a "casual" exercise as setting up a hobbyist box (I'm just guessing here), but if you are thinking of letting others use it, you need to keep security in mind.
http://www.turquoisewitch.com/~bradh
Author RE: Regarding UICs in User Accounts??
vmsfreak01
Member

Posts: 41
Joined: 19.06.08
Posted on July 20 2008 09:33
but if you are thinking of letting others use it, you need to keep security in mind.


VMS is like "ultra secure" its "unhackable"...So I do not even know why they even came up with this guide in the first place.

Security is non-existant when it comes to VMS.
Author RE: Regarding UICs in User Accounts??
brad
Member

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Posts: 134
Location: Hopedale, MA USA
Joined: 15.12.05
Posted on July 20 2008 10:48
vmsfreak01 wrote:
but if you are thinking of letting others use it, you need to keep security in mind.


VMS is like "ultra secure" its "unhackable"...So I do not even know why they even came up with this guide in the first place.

Security is non-existant when it comes to VMS.


Perhaps I'm misunderstanding you here.

Your fist post led me to believe (incorrectly?) that you were contemplating letting others use your VMS system. Presumably, this would mean contacting the users, and assigning them usernames and passwords to allow access to your VMS box.

If my assumptions are correct, then your focus needs to shift from "unhackability" to protecting the users from each other (and from you, or vice versa).

When I create a file on my VMS machine, it is assigned the GROUP READ privilege bit by default. Any other user in "my" group has the ability to READ the file without added privileges. Perhaps you want the users on your box to have no privilege to view or execute each others' files or code. In that case, you'll need to assign unique GROUP ID's to each user, or to deny access with mechanisms like ACL's (Access Control Lists) on the user's files and/or directories. Perhaps your users will all collaborate on a development project - then by all means, make sure they have access to the tools and files that they need to navigate a successful project.

Security on a VMS box becomes very important, once you open up the box for use by others. Since security was part of the OS design, care needs to be taken when allowing others access.

All I'm saying here is that despite the view that "VMS is unhackable", there are indeed problems to be addressed once multiple users have access to the same box, as there would be with any other OS. In some large enough VMS systems/shops, there is a separate "security officer" whose job is to make sure that the users can be productive and secure at the same time. Probably not your situation, but it's something to consider.
http://www.turquoisewitch.com/~bradh
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malmberg
August 04 2022
No more VAX hobbyist licenses. Community licenses for Alpha/IA64/X86_64 VMS Software Inc. Commercial VMS software licenses for VAX available from HPE.

ozboomer
July 20 2022
Just re-visiting.. No more hobbyist licenses? Is that from vmssoftware.com, no 'community' licenses?

valdirfranco
July 01 2022
No more hobbyist license...sad

mister_wavey
February 12 2022
I recall that the disks failed on the public access VMS systems that included Fafner

parwezw
January 03 2022
Anyone know what happened to FAFNER.DYNDS.ORG? I had a hobbyist account here but can longer access the site.

gtackett
October 27 2021
Make that DECdfs _2.1A_ for Vax

gtackett
October 27 2021
I'm looking for DECdfs V2.4A kit for VAX. Asking here just in case anyone is still listening.

MarkRLV
September 17 2021
At one time, didn't this web site have a job board? I would love to use my legacy skills one last time in my career.

malmberg
January 18 2021
New Hobbyist PAKs for VAX/VMS are no longer available according to reports. Only commercial licenses are reported to be for sale from HPE

dfilip
January 16 2021
Can someone please point me to hobbyist license pak? I'm looking for VAX/VMS 7.1, DECnet Phase IV, and UCX/TCPIP ... have the 7.1 media, need the license paks ... thanks!

Bart
October 16 2020
OpenVMS, and this website!

malmberg
September 05 2020
VSI community non-commercial licenses for AXP/IA64 are available now.

malmberg
September 05 2020
See the forum about licensing. Don't know if HPE hobby licenses still being issued. Commercial licenses still being sold.

silfox70
September 01 2020
I need the license for OpenVMS7.3. Where can I find them?

malmberg
August 29 2020
Eisner, which is currently being moved, got an SSH update and the keys were updated to more modern encryption standards.

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