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secret sequel keeping your pass away from the log保持你的秘密续集消失from the日志.pdf 12页
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secret sequel keeping your pass away from the log保持你的秘密续集消失from the日志
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Paper TT07
Secret Sequel:
Keeping Your Password Away From the L
Paul D Sherman, San Jose, CA
Arthur L. Carpenter, CA Occidental Consultants
Passwords are things not to be shared.
As good SAS
programmers we don't hard code our passwords in
our programs, but keep them in separate files or macro variables.
However this is not enough!
Unfortunately the casual (or malicious) user can "turn on" macro debugging utilities like MPRINT,
or SYMBOLGEN and literally read our password right from the LOG, in plain view.
This paper presents a
series of simple methods to keeping your secret password secret when accessing remote databases with
Skill Level: Beginning Base/SAS, Macro, and SAS/ACCESS
PROC SQL, SQL pass through, password, SYMBOLGEN
THE PROBLEM WITH PASSWORDS
Although we generally do not need to use passwords and user id's when accessing SAS data tables, it is
not at all unusual to need them when accessing data base systems such as Oracle or DB2.
process includes SQL pass through, the user id and password must be included in the SAS program.
the inclusion of this sensitive information in the SAS program that we are addressing in this paper.
You have been there.
Time is short, you are in a hurry, and you are creating programs on the fly.
cases like this it is so very easy to simply hardcode the password.
connect to odbc (dsn=dbprod uid=mary pwd=wish2pharm );
. code not shown
You are hoping that no one else will see the program, but you must also remember to protect the LOG
which will show:
pwd=wish2pharm
This approach simply does not protect the password.
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