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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

User Avatar

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
June 26 2018
https://www.openvmshobbyi
st.com/forum/viewthread.p
hp?forum_id=10&thread_id=
2363


bhamakripa
June 24 2018
I am trying OpenVMS via SIMH. Need to get OS binaries for v7.3. Registered here but don't have any membership number yet which is needed to get license. Pls suggest what to do. I hardly know anyth

basilh
June 05 2018
Any other forum members in Perth, Australia?

LouF91
April 05 2018
ah maybe they love that!

malmberg
March 24 2018
Probably. More people hang out on the comp.os.vms newsgroup.

vaxpert
March 23 2018
I have a PE42A and other Alpha system stuff for sale. I'm in So California. Any interest out there?

goodbyespy
February 27 2018
To Prohorenko. Please, visit group OpenVMS in the ok.ru

peteherrera
February 24 2018
How much does it cost to buy a complete OpenVMS hardcopy documentation set of the latest version

prohorenko
February 17 2018
Please help to obtain the license on OpenVMS

malmberg
December 12 2017
HPE only makes the most current version of OpenVMS Alpha / IA64 /VAX available to hobbyists. When I had access to the Alliance 1 program it was the same. No public downloads are allowed by HPE.

nmbonao
December 08 2017
Is anybody knows OpenVMS 8.2 version downloadable version? or CD copy? Thank you very much

aarommes
December 02 2017
Bitcoin and Blockchain enthusiasts ( plus distributed computing ) please connec / reply: http://www.openvmshobbyis
t.com/forum/viewthread.ph
p?forum_id=130&thread_id=
2991


malmberg
September 10 2017
https://sourceforge.net/p
/vms-ports/wiki/VMSInstal
lation/ For the most part just use VMS 6.1 media instead of 7.3. But why run the older release?


DoeveR
August 07 2017
Where can I find the write up on running VMS 6.1 using the simh emulator?

Bart
March 20 2017
Happy to have found my password again!

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