[Proftpd-user] PathAllowFilter

Hi All,

I want to configure proftp to only allow only certain file types to be
uploaded by users.

I tried to accomplish this with the PathAllowFilter directive in the
following way:

<Directory ~ >
PathAllowFilter "\\.(ppt|pptx|wmv|mp4|mp3|wav|wma)$"
</Directory>

The description of this directive states "PathAllowFilter allows the
configuration of a regular expression that must be matched for all newly
uploaded (stored) files.", so I assumed the filter would affect files only.

But after enabling the configuration, I get this behavior:

ftp> [root@testserver test]$ ftp 127.0.0.1
Connected to 127.0.0.1 (127.0.0.1).
220 FTP Server ready.
Name (127.0.0.1:root): testuser
331 Password required for testuser
Password:
230 User testuser logged in
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> put test.exe
local: test.exe remote: test.exe
227 Entering Passive Mode (127,0,0,1,224,78).
550 test.exe: Forbidden filename
ftp> put test.mp3
local: test.mp3 remote: test.mp3
227 Entering Passive Mode (127,0,0,1,235,172).
150 Opening BINARY mode data connection for test.mp3
226 Transfer complete
6091 bytes sent in 0.000155 secs (39296.77 Kbytes/sec)
ftp> mkdir test3dir
550 test3dir: Forbidden filename


Uploading test.mp3 and test.exe produces the expected results, but why is
the directory creation rejected and how could I prevent this?


Thank you very much for your help!


Thomas

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