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Chuck Lewis <clewis@iquest.net> on 11/14/2001 01:29:25 PM

Please respond to midrange-l@midrange.com








 To:      midrange-l@midrange.com

 cc:      (bcc: Gary Lea/Dextermag)



 Subject: Re: Mochasoft security hole








We now have QAUTOCFG set to OFF and QAUTVRT set to zero.  This seems to have
solved the problem.  We also discovered that if we varied off a device by using
VRYCFG we were able to sign on to it using Mochasoft.  That problem was overcome
by setting the FRCVRYOFF parameter to *YES.  Not a very elegant solutions but it
solves our problem for now.

Now all we need to do is remember that when we want to create a new device we
need to turn that stuff back on temporarily.

Thanks for all the suggestions.

Thanks to Scott also for his suggestion to write a "Telnet device
initialization" exit program that will check the device to see if it's
currently varied off and for the exampe code.  That will take more time and I
will be working on it to implement a more elegant solution.

Gary Lea


<snip>
Just saw Chuck Morehead's post to set it to 0. Here is yet another strange
one... We
have ours set to 1. I'm guessing it creates one new virtual device and then no
more
? Here is why. Running NT and attaching to the AS/400 with TCP/IP via Synapse's
5250
IP product, we set the PC name to what we want the device to be and then the
5250
product adds and Sn (where n is a number starting with 1) to the end of that
(i.e.
PC name is GR30 so first 5250 session is GR30S1, second is GR30S2, etc.). I was
setting up a new device yesterday and it would not create, until I increased the
QAUTOVRT value...

Another nasty about this way - there is no message sent to QSYSOPR when a device
is
created this way ! Why not I wonder; were they afraid that would cause to many
messages with QPADEVxxx's or something ? I think that would be an acceptable
risk
and at least you could monitor for it... (?)

Chuck
<snip>
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