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- Message-ID: <IBMTCP-L%93012615274974@PUCC.PRINCETON.EDU>
- Newsgroups: bit.listserv.ibmtcp-l
- Date: Tue, 26 Jan 1993 12:26:56 EST
- Sender: IBM TCP/IP List <IBMTCP-L@PUCC.BITNET>
- From: Bill Rubin <rubinm@WATSON.IBM.COM>
- Subject: Re: MVS TCP/IP 2.2.1 FTP and ACF2 (fwd)
- Lines: 31
-
- Peter Coleman <pcoleman@OFFSV1.CIS.MCMASTER.CA> writes:
-
- > We are experiencing the following problem with MVS TCP/IP 2.2.1. Does
- > anyone have any ideas?
- >
- > User X attempts to logon to FTP on MVS but has some kind of
- > problem (eg. their password has expired). User X eventually
- > gets logged on and then does some file transfers. User X then
- > exits FTP on MVS.
- > User Y later logs on to FTP on MVS and then does some file
- > transfers. ACF2 reports datasets violations for user Y's
- > datasets by user X. This of course does not make any sense
- > since user X has long ago quit FTP. User Y does not see or
- > have any problems while using FTP on MVS.
-
- There were a few problems with the "no operations authority" code that we
- added to FTP in 2.2.1. APAR PN30384 fixes most of them, unfortunately it
- is also packaged with the fix for PN29219 which turned out to be bad.
- There have been customers who ran with the PTFs for these APARs and had no
- problems (this is why we shipped it, it tested fine at a few sites), but a
- couple of others have definitely had problems. The fix for this problem
- is APAR PN34588. It is currently in test and will hopefully be available
- before too long, after we are absolutely, positively sure that it works.
-
- For now, you may want to go back to running FTPSERVE with operations
- authority. I believe (but cannot guarantee) that this solves the problem
- (and it does not represent a security exposure because FTPSERVE checks to
- make sure that you have access to the dataset before trying anything).
-
- Bill Rubin
- IBM TJ Watson Research
-