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Old 10-04-2009, 01:03 PM   #1
Registered: Jan 2009
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User requires SSH access to connect to FTP, why?

Hi all,

I have a CentOS dedicated server running ProFTP. I have created user accounts which are meant for FTP access only but the users cannot connect to the FTP unless their shell access is /bin/bash

Here is an example line that is outputted when I use this command:

cat /etc/passwd


This user can access the FTP fine, but he can also access SSH which I don't want to allow him to do. If I set his shell access to /bin/false then he can't connect to the FTP.

What can I use in instead of /bin/bash to allow FTP but don't allow SSH?
Old 10-04-2009, 01:34 PM   #2
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Not sure why that would be, FTP users shouldn't need a valid shell. What error message do you get on the client, and what do the server logs say when the person tries to login?

Alternately, you could just block the FTP users from SSH in the sshd configuration file with "DenyUsers", or better yet, just whitelist the people you actually need to have remote shell access and block everyone else by default with "AllowUsers".
Old 10-04-2009, 02:33 PM   #3
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From :
However /usr/bin/false needs to be added to /etc/shells to make it a valid login shell. Without this when you try to ftp as a user that has a shell of /usr/bin/false you’ll get a “530 Login incorrect. Login failed.” regardless of whether you get the password right or not.
, and take a look at this:

Using google is SOOOOOO easy. I found this withing 3 minutes, within first 5 offered links with search "proftpd /bin/false".
Old 10-04-2009, 03:37 PM   #4
Registered: Jan 2009
Posts: 40

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Thanks all, that helps a lot.

I have added /bin/false to /etc/shells and the problem is solved, the user has no access via SSH but retains normal access via FTP. Thanks again.


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