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000372_fdc@columbia.edu_Mon Mar 10 14:16:52 EST 2003.msg
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Article: 14169 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!news.columbia.edu!news-not-for-mail
From: fdc@columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: TLS HowTo Telnet/FTP
Date: 10 Mar 2003 14:16:47 -0500
Organization: Columbia University
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Message-ID: <b4ioav$a92$1@watsol.cc.columbia.edu>
References: <f53f8c5c.0303041213.45f6bbe7@posting.google.com> <f53f8c5c.0303060740.514c6150@posting.google.com> <3E67E435.1010706@nyc.rr.com> <f53f8c5c.0303101038.198c3d24@posting.google.com>
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Xref: newsmaster.cc.columbia.edu comp.protocols.kermit.misc:14169
In article <f53f8c5c.0303101038.198c3d24@posting.google.com>,
Curtis Steward <curtis.steward@goodrich.com> wrote:
: ...
: That did it, got confused on the start-tls of iksd.conf vs.
: tls-telnet! Thanks a lot, works well.
:
: Is the doc meaning the "PUSH" compile-time option won't enable shell
: access, is there any other alternative?
:
Currently there is no way to access shell or system commands in IKSD.
This is for both security and procedural reasons. IKSD goes out of its
way to protect its computer and file system; if you allowed shell and
external command access, there would be no point in protecting anything.
Procedurally, assuming you don't care about protecting things, what happens
if the user starts a program that doesn't use standard i/o? The program
hangs waiting for input on some device user can't see, and IKSD hangs waiting
for the program to terminate. Clearly this problem is more severe in
Windows (where NO programs use standard i/o) than Unix, but Unix is getting
more like Windows every day.
Anyway, if you want to submit a cleaned up, commented, working example as
a case study and/or to the scripts library, we'd like to have it!
- Frank