私はこの問題を理解しようとしています:
2014-04-07 14:00:58,628 srv proftpd[10143] srv (pfsense.localdomain[192.168.0.1]): FTP session opened.
2014-04-07 14:01:13,779 srv proftpd[10091] srv (pfsense.localdomain[192.168.0.1]): Preparing to chroot to directory '/srv/user1'
2014-04-07 14:01:13,779 srv proftpd[10091] srv (pfsense.localdomain[192.168.0.1]): USER user1: Login successful.
2014-04-07 14:01:13,779 srv proftpd[10091] srv (pfsense.localdomain[192.168.0.1]): ROOT PRIVS: unable to seteuid(): Operation not permitted
2014-04-07 14:01:13,779 srv proftpd[10091] srv (pfsense.localdomain[192.168.0.1]): ROOT PRIVS: unable to setegid(): Operation not permitted
2014-04-07 14:01:13,782 srv proftpd[10091] srv (pfsense.localdomain[192.168.0.1]): RELINQUISH PRIVS: unable to seteuid(PR_ROOT_UID): Operation not permitted
2014-04-07 14:01:13,782 srv proftpd[10091] srv (pfsense.localdomain[192.168.0.1]): FTP session closed.
「user1」、「user2」などのサブフォルダーを含むファイルシステム「srv」にフォルダーを作成しました。
drwxrwxrwx 19 root root 4096 Mar 5 20:05 srv
各ユーザーのホームディレクトリは「user1」、「user2」などに設定されています。
drwx---r-x 189 user1 users 4096 Apr 3 11:34 user1
proftp conf:
Include /etc/proftpd/modules.conf
ServerName "SRV"
ServerType standalone
DeferWelcome off
MultilineRFC2228 on
DefaultServer on
ShowSymlinks on
TimeoutNoTransfer 600
TimeoutStalled 600
TimeoutIdle 1200
DisplayLogin welcome.msg
DisplayChdir .message true
ListOptions "-l"
DenyFilter \*.*/
DefaultRoot ~
Port 21
User proftpd
Group nogroup
Umask 022 022
AllowOverwrite on
TransferLog /var/log/proftpd/xferlog
SystemLog /var/log/proftpd/proftpd.log
<IfModule mod_quotatab.c>
QuotaEngine off
</IfModule>
<IfModule mod_ratio.c>
Ratios off
</IfModule>
<IfModule mod_delay.c>
DelayEngine on
</IfModule>
<IfModule mod_ctrls.c>
ControlsEngine off
ControlsMaxClients 2
ControlsLog /var/log/proftpd/controls.log
ControlsInterval 5
ControlsSocket /var/run/proftpd/proftpd.sock
</IfModule>
<IfModule mod_ctrls_admin.c>
AdminControlsEngine off
</IfModule>
Include /etc/proftpd/conf.d/
<Global>
PassivePorts 65400 65535
</Global>
もっと：
Ubuntu server 13.10
Webmin 1.680
ProFTPD Version 1.3.5rc3