Re: EBCDIC and the P-Bit

2013-06-21 Thread Anne & Lynn Wheeler
rt > says > "if it's attached to a network none of this applies" re: http://www.garlic.com/~lynn/2013i.html#3 Ported Tools - Unix http://www.garlic.com/~lynn/2013i.html#10 EBCDIC and the P-Bit http://www.garlic.com/~lynn/2013i.html#11 EBCDIC and the P-Bit the science center

Re: EBCDIC and the P-Bit

2013-06-21 Thread Ed Finnell
I remember the 'security paper' CIA published after MVS got B1 rating. There was a tuning paper that came out about the same time. One was green and one was yellow. Anyway, long story short, last paragraph in security report says "if it's attached to a network none of this applies" In a m

Re: EBCDIC and the P-Bit

2013-06-21 Thread Gerhard Postpischil
On 6/21/2013 10:00 AM, Roland Kinsman wrote: So, this is going to sound extremely naïve, but I wonder if having EBCDIC instead of ASCII helped make IBM mainframe OS less penetrable to hackers. As Shmuel noted, early S/360 operating systems had very little protection. The earliest lacked stora

Re: EBCDIC and the P-Bit

2013-06-21 Thread Gerhard Postpischil
On 6/21/2013 1:07 PM, Shmuel Metz (Seymour J.) wrote: OS/360 was a swiss chees, but, as you noted, not because of the character set. 05F0 0A0C Just 0A0C will do it, but unfortunately it takes (nearly) forever - I tried it once, either on a 360/50 or 65, and it took just over four h

Re: EBCDIC and the P-Bit

2013-06-21 Thread Shmuel Metz (Seymour J.)
In <8709522170369998.wa.m42tomibmmainyahoo@listserv.ua.edu>, on 06/21/2013 at 09:34 AM, Tom Marchant said: >The character encoding that is used is irrelevant. The thing that >makes an operating system less penetrable is a design that is based >upon system integrity. From the earliest d

Re: EBCDIC and the P-Bit

2013-06-21 Thread Anne & Lynn Wheeler
re: http://www.garlic.com/~lynn/2013i.html#3 Ported Tools - Unix http://www.garlic.com/~lynn/2013i.html#10 EBCDIC and the P-Bit of course there was also some amount of rivalry between the 5th flr (multics) and 4th flr (cp/67). they (also) had a lot of very security oriented customers. recent

Re: EBCDIC and the P-Bit

2013-06-21 Thread Tom Marchant
On Fri, 21 Jun 2013 09:00:36 -0500, Roland Kinsman wrote: >I wonder if having EBCDIC instead of ASCII helped make IBM >mainframe OS less penetrable to hackers. The character encoding that is used is irrelevant. The thing that makes an operating system less penetrable is a design that is based

Re: EBCDIC and the P-Bit

2013-06-21 Thread Anne & Lynn Wheeler
rjkins...@hotmail.com (Roland Kinsman) writes: > So, this is going to sound extremely naïve, but I wonder if having > EBCDIC instead of ASCII helped make IBM mainframe OS less penetrable > to hackers. re: http://www.garlic.com/~lynn/2013i.html#3 Ported Tools - Unix 1) lots of attacks are proporti

Re: EBCDIC and the P-Bit

2013-06-21 Thread Robert Galambos
Actually I would say its that the Operating system has been in 'development'/available for more then 50 years. more time to get it right. Then is the aspect that in the earlier years there was less of a push for getting out the door, because there was not the same level of competition. The aspec

Re: EBCDIC and the P-Bit

2013-06-21 Thread John Gilmore
Neither EBCDIC nor ASCII is a very good SBCS, but this is in some considerable measure because no SBCS can be a very good one. 256 code points is not enough. For the usual reasons, talked about here in other contexts in recent days, the industry has been resistant to adopting DBCSs and MBCSs; but

Re: EBCDIC and the P-Bit

2013-06-21 Thread Roland Kinsman
So, this is going to sound extremely naïve, but I wonder if having EBCDIC instead of ASCII helped make IBM mainframe OS less penetrable to hackers. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to

Re: EBCDIC and the P-Bit

2013-06-21 Thread Roland Kinsman
From: Mike Schwab Date: Thu, 20 Jun 2013 12:34:59 -0500 Posted link on http://en.wikipedia.org/wiki/EBCDIC#External_links Thanks, Mike. I did see the EBCDIC article, but I did not notice the link near the bottom. But I think this merits a separate article, and I might just post it. After all

Re: EBCDIC and the P-Bit

2013-06-20 Thread Gerhard Postpischil
On 6/20/2013 11:28 AM, Roland Kinsman wrote: old reference that EBCDIC was one of the biggest goofs for 360 ... was supposed to have been ascii ... "EBCDIC and the P-Bit (The Biggest Computer Goof Ever)" http://www.bobbemer.com/P-BIT.HTM In my estimation the problem was not the P-

Re: EBCDIC and the P-Bit

2013-06-20 Thread Mike Schwab
On Thu, Jun 20, 2013 at 10:28 AM, Roland Kinsman wrote: > http://www.bobbemer.com/P-BIT.HTM > > This is fascinating. Someone should put this on Wikipedia. Posted link on http://en.wikipedia.org/wiki/EBCDIC#External_links -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get aw

EBCDIC and the P-Bit

2013-06-20 Thread Roland Kinsman
From... Re: Ported Tools - Unix " old reference that EBCDIC was one of the biggest goofs for 360 ... was supposed to have been ascii ... "EBCDIC and the P-Bit (The Biggest Computer Goof Ever)" http://www.bobbemer.com/P-BIT.HTM " This is fascinating. Someone should p