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Operating Systems Linux SuSE "scp" access denied:/etc/security/access.conf Post 302310180 by sysgate on Friday 24th of April 2009 01:37:46 AM
Old 04-24-2009
Hello, I hope it's not too late. First, to answer your question - I don't think that with the current configuration you can overcome this security limitation. Probably those rules are enforced by your system administrator, so the best way is to communicate with the responsible person how to achieve your scp task. Probably, you can have a special designated user only for that task that will be allowed only scp from this host to a specific host, if your task's requirements are so simple. Else, perhaps you can go with more advanced rule, such as : -: ALL EXCEPT root user:10.191.4.244 - where IP address is fictional. This line means that ssh will only accept login access from root/user from IP address 10.191.4.244. If that is acceptable, you will need a modifications to PAM file as well.
 

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FTPUSERS(5)						      BSD File Formats Manual						       FTPUSERS(5)

NAME
ftpusers, ftpchroot -- ftpd(8) access control file DESCRIPTION
The ftpusers file provides user access control for ftpd(8) by defining which users may login. If the ftpusers file does not exist, all users are denied access. A ``'' is the escape character; it can be used to escape the meaning of the comment character, or if it is the last character on a line, extends a configuration directive across multiple lines. A ``#'' is the comment character, and all characters from it to the end of line are ignored (unless it is escaped with the escape character). The syntax of each line is: userglob[:groupglob][@host] [directive [class]] These elements are: userglob matched against the user name, using fnmatch(3) glob matching (e.g, 'f*'). groupglob matched against all the groups that the user is a member of, using fnmatch(3) glob matching (e.g, '*src'). host either a CIDR address (refer to inet_net_pton(3)) to match against the remote address (e.g, '1.2.3.4/24'), or an fnmatch(3) glob to match against the remote hostname (e.g, '*.NetBSD.org'). directive If ``allow'' or ``yes'' the user is allowed access. If ``deny'' or ``no'', or directive is not given, the user is denied access. class defines the class to use in ftpd.conf(5). If class is not given, it defaults to one of the following: chroot If there is a match in /etc/ftpchroot for the user. guest If the user name is ``anonymous'' or 'ftp'. real If neither of the above is true. No further comparisons are attempted after the first successful match. If no match is found, the user is granted access. This syntax is backward-compatible with the old syntax. If a user requests a guest login, the ftpd(8) server checks to see that both ``anonymous'' and ``ftp'' have access, so if you deny all users by default, you will need to add both ``anonymous allow'' and ``ftp allow'' to /etc/ftpusers in order to allow guest logins. /etc/ftpchroot The file /etc/ftpchroot is used to determine which users will have their session's root directory changed (using chroot(2)), either to the directory specified in the ftpd.conf(5) chroot directive (if set), or to the home directory of the user. If the file does not exist, the root directory change is not performed. The syntax is similar to ftpusers, except that the class argument is ignored. If there's a positive match, the session's root directory is changed. No further comparisons are attempted after the first successful match. This syntax is backward-compatible with the old syntax. FILES
/etc/ftpchroot List of normal users who should have their ftp session's root directory changed by using chroot(2). /etc/ftpusers This file. /usr/share/examples/ftpd/ftpusers A sample ftpusers file. SEE ALSO
fnmatch(3), inet_net_pton(3), ftpd.conf(5), ftpd(8) BSD
July 17, 2000 BSD
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