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UNIX for Dummies Questions & Answers
need to restrict program exec and running
Post 28244 by Kelam_Magnus on Monday 16th of September 2002 09:45:49 AM
09-16-2002
This may be a simplistic answer, but here goes.
If possible, I would restrict ftp and any r* commands that can be executed by users. If you can't trust them with ftp just take it away. That should solve your problem.
You should be able to create an ftpallow/deny file and any other restrictions as well with other config files.
If possible, I would restrict ftp and any r* commands that can be executed by users. If you can't trust them with ftp just take it away. That should solve your problem.
You should be able to create an ftpallow/deny file and any other restrictions as well with other config files.
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LEARN ABOUT REDHAT
ftphosts
ftphosts(4) File Formats ftphosts(4) NAME
ftphosts - FTP Server individual user host access file SYNOPSIS
/etc/ftpd/ftphosts DESCRIPTION
The ftphosts file is used to allow or deny access to accounts from specified hosts. The following access capabilities are supported: allow username addrglob [addrglob...] Only allow users to login as username from host(s) that match addrglob. deny username addrglob [addrglob...] Do not allow users to login as username from host(s) that match addrglob. A username of * matches all users. A username of anonymous or ftp specifies the anonymous user. addrglob is a regular expression that is matched against hostnames or IP addresses. addrglob may also be in the form address:netmask or address/CIDR, or be the name of a file that starts with a slash ('/') and contains additional address globs. An exclamation mark (`!') placed before the addrglob negates the test. The first allow or deny entry in the ftphosts file that matches a username and host is used. If no entry exists for a username, then access is allowed. Otherwise, a matching allow entry is required to permit access. EXAMPLES
You can use the following ftphosts file to allow anonymous access from any host except those on the class A network 10, with the exception of 10.0.0.* IP addresses, which are allowed access: allow ftp 10.0.0.* deny ftp 10.*.*.* allow ftp * 10.0.0.* can be written as 10.0.0.0:255.255.255.0 or 10.0.0.0/24. FILES
/etc/ftpd/ftphosts ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWftpr | +-----------------------------+-----------------------------+ |Interface Stability |External | +-----------------------------+-----------------------------+ SEE ALSO
in.ftpd(1M), ftpaccess(4), attributes(5) SunOS 5.10 1 May 2003 ftphosts(4)