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Security for Sequential Files?

 
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AKRISHNA
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Joined: 22 Jun 2003
Posts: 10
Topics: 2
Location: Bangalore

PostPosted: Sun Jun 22, 2003 9:36 pm    Post subject: Security for Sequential Files? Reply with quote

Hi All,
How can I secure a sequential file that I create, so that no other id can delete or overwrite it? Is it possible somehow? If someone runs a JCL with my file's DISP set to OLD and DELETE, all my data is gone! Sad

Regards,
AK
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warp5
Intermediate


Joined: 02 Dec 2002
Posts: 429
Topics: 18
Location: Germany

PostPosted: Mon Jun 23, 2003 12:41 am    Post subject: Reply with quote

This is a RACF issue or other security tool. Check with your RACF specialist.
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prakal
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Joined: 14 Mar 2003
Posts: 22
Topics: 1

PostPosted: Mon Jun 23, 2003 9:21 am    Post subject: Reply with quote

You could try creating a PS with your userid as the first qualifier to protect datasets. But again this can be overridden by using security tools like RACF etc.

Prakal.
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AKRISHNA
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Joined: 22 Jun 2003
Posts: 10
Topics: 2
Location: Bangalore

PostPosted: Thu Jun 26, 2003 7:53 pm    Post subject: Reply with quote

Thanks Prakal and Warp5. I work on ROSCOE and not TSO. And the convention at our site is to have the VOL SER name as the first qualifier.

Thanks anyways, let me try these out. Very Happy

Regards,
AK
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CaptBill
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Joined: 02 Dec 2002
Posts: 100
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Location: Pasadena, California, USA

PostPosted: Fri Jun 27, 2003 3:49 pm    Post subject: Reply with quote

It does not matter that you use ROSCOE over TSO. RACF is a security tool.

Do you have a security product at your shop?
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AKRISHNA
Beginner


Joined: 22 Jun 2003
Posts: 10
Topics: 2
Location: Bangalore

PostPosted: Fri Jun 27, 2003 9:56 pm    Post subject: Reply with quote

Hi CaptBill,
We do have RACF on our machine, but the pblm is that I work on our client's machine and I want to explore all the programmers' options before I go to the admin for some RACF relate help.

I cant have PS file names starting with my id prefix as it is against the naming standards! Sad

Regards,
AK
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slade
Intermediate


Joined: 07 Feb 2003
Posts: 266
Topics: 1
Location: Edison, NJ USA

PostPosted: Sat Jun 28, 2003 10:41 pm    Post subject: Reply with quote

Hi AK,

With the warning that "reserving" resources for your sole use can get you into trouble with TPTB, you could try using a reasonable RETPD in your JCL when creating the file. It doesn't protect the file from overwriting but it does protect it from deletion.

But remember that the space or tape cannot be deleted by anyone until the retention period expires. If you abuse the feature you could become famous real quick.

Regards, Jack.
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AKRISHNA
Beginner


Joined: 22 Jun 2003
Posts: 10
Topics: 2
Location: Bangalore

PostPosted: Sun Jun 29, 2003 7:04 pm    Post subject: Reply with quote

Hi Slade,
Thanks for this input. However, I dont think I can try this, especially on my clients machine! Wink

Thanks anyways,
AK
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slade
Intermediate


Joined: 07 Feb 2003
Posts: 266
Topics: 1
Location: Edison, NJ USA

PostPosted: Sun Jun 29, 2003 11:29 pm    Post subject: Reply with quote

Hi AK,

I'm afraid that if you're unable or unwilling to speak to the security admin about getting a password, you're doomed to roam the earth unprotected. Crying or Very sad

Regards, Jack.
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taltyman
JCL Forum Moderator
JCL Forum Moderator


Joined: 02 Dec 2002
Posts: 310
Topics: 8
Location: Texas

PostPosted: Tue Jul 01, 2003 3:38 pm    Post subject: Reply with quote

volser the 1st qualifier????? Did they have a reason for that?
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AKRISHNA
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Joined: 22 Jun 2003
Posts: 10
Topics: 2
Location: Bangalore

PostPosted: Mon Aug 11, 2003 1:50 am    Post subject: Reply with quote

Hi Taltyman,

It is just a convention here to have the VOLSER name as the first qualifier.

Rgds,
AK
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taltyman
JCL Forum Moderator
JCL Forum Moderator


Joined: 02 Dec 2002
Posts: 310
Topics: 8
Location: Texas

PostPosted: Tue Aug 12, 2003 8:01 am    Post subject: Reply with quote

The storage guys must really have fun when dasd gets replaced. In effect this convention makes the datasets named that way are unmovable and if they do get moved then the convention is invalid for that dataset or datasets. The system can find the dataset using the catalog without the need for a volser anywhere in the dataset name. I realize you can't do anything about this but that is one of the dumbest conventions I have ever heard of.
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