07-23-2009
Look into ssh keys. Once you've set that up you can simply run your commands through ssh (without having to log in.)
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1. AIX
Dears
we have an application that try to excute commands via using a (rexec.dll) to connect to an AIX box and running commnds but when we try to do that then the connection will be rejected by the AIX box, are there any pre-configurations or settings that must be done in order to gain the... (1 Reply)
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Hi guys,
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Find it below:
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Hi folks
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Hi,
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5. Programming
Hi,
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6. Solaris
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Hi guys,
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9. Shell Programming and Scripting
Hello Every one!!
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10. Shell Programming and Scripting
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SMRSH(8) System Manager's Manual SMRSH(8)
NAME
smrsh - restricted shell for sendmail
SYNOPSIS
smrsh -c command
DESCRIPTION
The smrsh program is intended as a replacement for sh for use in the ``prog'' mailer in sendmail(8) configuration files. It sharply limits
the commands that can be run using the ``|program'' syntax of sendmail in order to improve the over all security of your system. Briefly,
even if a ``bad guy'' can get sendmail to run a program without going through an alias or forward file, smrsh limits the set of programs
that he or she can execute.
Briefly, smrsh limits programs to be in a single directory, by default /etc/smrsh, allowing the system administrator to choose the set of
acceptable commands, and to the shell builtin commands ``exec'', ``exit'', and ``echo''. It also rejects any commands with the characters
``', `<', `>', `;', `$', `(', `)', `
' (carriage return), or `
' (newline) on the command line to prevent ``end run'' attacks. It allows
``||'' and ``&&'' to enable commands like: ``"|exec /usr/local/bin/procmail -f- /etc/procmailrcs/user || exit 75"''
Initial pathnames on programs are stripped, so forwarding to ``/usr/ucb/vacation'', ``/usr/bin/vacation'', ``/home/server/mydir/bin/vaca-
tion'', and ``vacation'' all actually forward to ``/etc/smrsh/vacation''.
System administrators should be conservative about populating the /etc/smrsh directory. Reasonable additions are vacation(1), procmail(1),
and the like. No matter how brow-beaten you may be, never include any shell or shell-like program (such as perl(1)) in the /etc/smrsh
directory. Note that this does not restrict the use of shell or perl scripts in the sm.bin directory (using the ``#!'' syntax); it simply
disallows execution of arbitrary programs.
FILES
/etc/smrsh - directory for restricted programs
SEE ALSO
sendmail(8)
$Date: 2002/04/25 13:33:40 $ SMRSH(8)