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This became a problem in our interactive programs that adjusted inventory in the 1980's. We devised a plastic piece that could be glued over the key to prevent it from ever being pressed. In S36 days if you adjusted inventory while building an order file (not a direct one that it) and the operator pressed the SysReq key and took a -3- the "adds" were lost but the inventory stayed adjusted. This caused no end of problems. I finally put a trap into the program and "caught" the VP of sales who thought he should normally end the order program by pressing SysReq and taking a -3-. And they let these guys vote too...... Ah!!!! Direct files to the rescue but the pointers gave me a pointy head. Jerry ----- Original Message ----- From: Graap, Ken <keg@nwnatural.com> To: <midrange-l@midrange.com> Sent: Tuesday, February 05, 2002 10:59 AM Subject: RE: Programmatically disable SysReq key > If you wanted to control what a user can do with the SysRQ key, just modify > this message description: > > CPX2313 > > Kenneth > > **************************************** > Kenneth E. Graap > IBM Certified Specialist > AS/400e Professional System Administrator > NW Natural (Gas Services) > keg@nwnatural.com > Phone: 503-226-4211 x5537 > FAX: 603-849-0591 > **************************************** > > > -----Original Message----- > From: Ed Fishel [mailto:edfishel@us.ibm.com] > Sent: Tuesday, February 05, 2002 10:41 AM > To: midrange-l@midrange.com > Subject: Re: Programmatically disable SysReq key > > > > Fiona, > > >How about excluding *PUBLIC from cmd TFRSECJOB ? > >Is the overhead the same ? > > The amount of overhead for the presystem request exit program depends on > the program. Most programmers should be able to write an efficient > presystem request exit program that will not be noticed when it is called. > Likewise, the authority check of the TFRSECJOB command is not something > users will notice. You would have to press the system request key a very > large number of times before you would notice any difference between these > two solutions. > > A question that should be asked is what is the difference between these two > solutions. It has been pointed out that the a presystem request exit > program can keep an *ALLOBJ user from using the system request menu. This > is true, but it will not prevent them from using TFRSECJOB the next time > they see a command line. So, if the objective is to keep any user from > using the system request key during a critical part of the application, > then a presystem request exit program is a good solution. On the other > hand, if the objective is to always keep someone from using TFRSECJOB, then > you should remove their authority to that command. > > Ed Fishel, > edfishel@US.IBM.COM > > _______________________________________________ > This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list > To post a message email: MIDRANGE-L@midrange.com > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l > or email: MIDRANGE-L-request@midrange.com > Before posting, please take a moment to review the archives > at http://archive.midrange.com/midrange-l. > _______________________________________________ > This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list > To post a message email: MIDRANGE-L@midrange.com > To subscribe, unsubscribe, or change list options, > visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l > or email: MIDRANGE-L-request@midrange.com > Before posting, please take a moment to review the archives > at http://archive.midrange.com/midrange-l. > >
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