Re: [Proftpd-user] .in. Files Not Cleaned Up Properly - HiddenStores

Thanks for your reply.

Sure thing, here you go:

$ sudo cat /etc/proftpd.conf
ServerName    FTP
ServerIdent    on "FTP Server ready."
ServerAdmin    ftpadmin@localhost
ServerType    standalone
Port    21
DefaultServer    on
IdentLookups    off
UseReverseDNS    off
User    nobody
Group    nobody
Umask    022 002
ListOptions    ""
AllowOverwrite    on
MaxClients    250 "Sorry, max %m users -- try again later"
MaxClientsPerHost    30 "Sorry, max %m users -- try again later"
MaxClientsPerUser    100 "Sorry, maximum concurrent connections per user 
reached"
MaxInstances    250
MaxLoginAttempts    3
LoadModule mod_sftp.c
SystemLog /var/log/proftpd/proftpd-system.log
TimeoutIdle    900
TimeoutNoTransfer    7200
TimeoutStalled    7200
TimesGMT    off

LogFormat         userlog   "%h %u %t %F %s %b %T %{protocol} 
%{transfer-millisecs} %{transfer-status} %{transfer-failure}"
ExtendedLog        /var/log/proftpd/extended.log WRITE,READ userlog

MasqueradeAddress    my.dns.tld
<limit EPSV>
denyall
</limit>
<Global>
     AllowForeignAddress    on
     DefaultRoot    ~
     AllowOverwrite    on
     AllowRetrieveRestart    on
     PassivePorts    59000 60050
     RequireValidShell    off
     RootLogin    off
     ShowSymlinks    on
     HiddenStores on
     TransferLog /var/log/proftpd/proftpd-transfer.log
     DeleteAbortedStores on
#<Directory /some/location/*>
#        HideFiles 
(\.wmv|\.mp4|\.avi|\.mov|\.mkv|\.3gp|\.vob|\.asf|\.aiff|\.flv|\.f4v|\.f4p|\.f4a|\.f4b|\.ts|\.mpg|\.mpeg|\.ogv|\.ogg|\.ram|\.rv|\.rv9|\.webm)$
#</Directory>
<Limit SITE_CHMOD>
DenyALL
</Limit>
</Global>
<IfModule mod_sftp.c>
  <VirtualHost 0.0.0.0>
    # Configure the server to listen on the normal SSH2 port, port 22
    Port 22
    SFTPEngine on
    SFTPLog /var/log/proftpd/sftp.log
    AllowOverwrite    on
    # Configure both the RSA and DSA host keys, using the same host key
    # files that OpenSSH uses.
    SFTPHostKey /etc/ssh/ssh_host_rsa_key-old
    SFTPHostKey /etc/ssh/ssh_host_dsa_key-old
    SFTPAuthorizedUserKeys file:/some/location/%u
    # Enable compression
    SFTPCompression delayed
    ServerIdent off
    DefaultRoot    ~
    SFTPOptions IgnoreSFTPUploadPerms IgnoreSCPUploadPerms
  </VirtualHost>
</IfModule>




I am confident the server hasn't crashed, as in hardware/actual server 
dying or anything like that, this is a production server with monitoring 
etc. on it...

[email protected]

On 28/01/2021 16:17, Matus UHLAR - fantomas wrote:
> On 28.01.21 11:22, [email protected] wrote:
>> I have pretty much check most recent threads I could find here or in 
>> on Google about ProFTPd and HiddenStores directive, and the default 
>> behavior.
>>
>> However I have noticed on our FTP server, we have tons of 
>> .in.FILENAME files hanging around on different user directories, all 
>> with 0 KB filesize. Also, some of these go back to as old as 2019, 
>> throughout 2020... i.e. they're genuinely not in-progress upload files.
>
>
>> $ sudo cat /etc/proftpd.conf | grep -i DeleteAbortedStores
>>     DeleteAbortedStores on
>>
>> $ sudo cat /etc/proftpd.conf | grep -i HiddenStores
>>     HiddenStores on
>
> these can be nested in <If* blocks, we need whole config
> (can be redacted).
>
>> Any idea why this is? What's the correct way to handle this? Do we 
>> need to manually delete these files, and if so, why are they not 
>> deleted by proftpd? Thanks for any info.
>
> it can also happen if ftp server crashes.
>

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