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Operating Systems Linux Red Hat Does vsftpd support user subcommand? Post 303002788 by Corona688 on Friday 1st of September 2017 11:18:13 AM
Old 09-01-2017
Do not mess with PAM unless you are in easy driving distance of the system, have a rescue CD and the technical know-how to fix it by hand. Even then, give it a couple of second thoughts. The risks of altering PAM are very high. You can easily render your system unbootable, un-login-able, or open security holes you could only discover by accident (or intentional intrusion).

Why do you need to change users after an FTP login? Why not login as the user you wanted to login as in the first place?

Why do you need to use FTP at all?

Explain your problem in more detail and we can probably find better solutions.
 

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VSFTPD(8)						    BSD System Manager's Manual 						 VSFTPD(8)

NAME
vsftpd -- Very Secure FTP Daemon SYNOPSIS
vsftpd [configuration file and / or options] DESCRIPTION
vsftpd is the Very Secure File Transfer Protocol Daemon. The server can be launched via a ``super-server'' such as inetd(8) or xinetd(8). Alternatively, vsftpd can be launched in standalone mode, in which case vsftpd itself will listen on the network. This latter mode is easier to use, and recommended. It is activated by setting listen=YES in /etc/vsftpd.conf. Direct execution of the vsftpd binary will then launch the FTP service ready for immediate client connections. OPTIONS
An optional configuration file or files may be given on the command line. These files must be owned as root if running as root. Any command line option not starting with a "-" character is treated as a config file that will be loaded. Note that config files are loaded in the strict order that they are encountered on the command line. If no config files are specified, the default configuration file of /etc/vsftpd.conf will be loaded, after all other command line options are processed. Supported options are: -v Print the version information and exit, even if other options are encountered. -ooption=value Set a single option, value pair as per the format in the config file. Multiple -o options are supported, and they are applied in strict order relative to their appearance on the command line, including intermingling with loading of config files. EXAMPLES
vsftpd -olisten=NO /etc/vsftpd.conf -oftpd_banner=blah That example overrides vsftpd's built-in default for the "listen" option to be NO, but then loads /etc/vsftpd.conf which may override that setting. Finally, the "ftpd_banner" setting is set to "blah", which overrides any default vsftpd setting and any identical setting that was in the config file. FILES
/etc/vsftpd.conf SEE ALSO
vsftpd.conf(5) March 8, 2001
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