Я понимаю что проблема в KERBEROS_V4 rejected as an authentication type
Только не знаю что это и как поменять 
а вот конфиг:
# This is the ProFTPD configuration file
# $Id: proftpd.conf,v 1.1 2004/02/26 17:54:30 thias Exp $
ServerName                      "ProFTPD server"
ServerIdent                     on "FTP Server ready."
ServerAdmin                     root@localhost
ServerType                      standalone
#ServerType                     inetd
DefaultServer                   on
AccessGrantMsg                  "User %u logged in."
#DisplayConnect                 /etc/ftpissue
#DisplayLogin                   /etc/ftpmotd
#DisplayGoAway                  /etc/ftpgoaway
DeferWelcome                    off
# Use this to excude users from the chroot
DefaultRoot                     ~ !adm
# Use pam to authenticate (default) and be authoritative
AuthPAMConfig                   proftpd
AuthOrder                       mod_auth_pam.c* mod_auth_unix.c
# Do not perform ident nor DNS lookups (hangs when the port is filtered)
IdentLookups                    off
UseReverseDNS                   off
# Port 21 is the standard FTP port.
Port                            21
# Umask 022 is a good standard umask to prevent new dirs and files
# from being group and world writable.
Umask                           022
# Default to show dot files in directory listings
ListOptions                     "-a"
# See Configuration.html for these (here are the default values)
#MultilineRFC2228               off
#RootLogin                      off
#LoginPasswordPrompt            on
#MaxLoginAttempts               3
#MaxClientsPerHost              none
#AllowForeignAddress            off     # For FXP
# Allow to resume not only the downloads but the uploads too
AllowRetrieveRestart            on
AllowStoreRestart               on
# To prevent DoS attacks, set the maximum number of child processes
# to 30.  If you need to allow more than 30 concurrent connections
# at once, simply increase this value.  Note that this ONLY works
# in standalone mode, in inetd mode you should use an inetd server
# that allows you to limit maximum number of processes per service
# (such as xinetd)
MaxInstances                    20
# Set the user and group that the server normally runs at.
User                            nobody
Group                           nobody
# Disable sendfile by default since it breaks displaying the download speeds in
# ftptop and ftpwho
UseSendfile                     no
# This is where we want to put the pid file
ScoreboardFile                  /var/run/proftpd.score
# Normally, we want users to do a few things.
<Global>
 AllowOverwrite                yes
  <Limit ALL SITE_CHMOD>
    AllowAll
  </Limit>
</Global>
# Define the log formats
LogFormat                       default "%h %l %u %t \"%r\" %s %b"
LogFormat                       auth    "%v [%P] %h %t \"%r\" %s"
# TLS
# Explained at http://www.castaglia.org/proftpd/modules/mod_tls.html
#TLSEngine                      on
#TLSRequired                    on
#TLSRSACertificateFile          /etc/pki/tls/certs/proftpd.pem
#TLSRSACertificateKeyFile       /etc/pki/tls/certs/proftpd.pem
#TLSCipherSuite                 ALL:!ADH:!DES
#TLSOptions                     NoCertRequest
#TLSVerifyClient                off
##TLSRenegotiate                ctrl 3600 data 512000 required off timeout 300
#TLSLog                         /var/log/proftpd/tls.log
# SQL authentication Dynamic Shared Object (DSO) loading
# See README.DSO and howto/DSO.html for more details.
#<IfModule mod_dso.c>
#   LoadModule mod_sql.c
#   LoadModule mod_sql_mysql.c
#   LoadModule mod_sql_postgres.c
#</IfModule>
# A basic anonymous configuration, with an upload directory.
<Anonymous ~ftp>
  User                          ftp
  Group                         ftp
#  AccessGrantMsg               "Anonymous login ok, restrictions apply."
#
#  # We want clients to be able to login with "anonymous" as well as "ftp"
  UserAlias                     anonymous ftp
#
#  # Limit the maximum number of anonymous logins
  MaxClients                    10 "Sorry, max %m users -- try again later"
#
#  # Put the user into /pub right after login
#  #DefaultChdir                        /pub
#
#  # We want 'welcome.msg' displayed at login, '.message' displayed in
#  # each newly chdired directory and tell users to read README* files.
  DisplayLogin                  /welcome.msg
  DisplayFirstChdir             .message
#  DisplayReadme                        README*
#
#  # Some more cosmetic and not vital stuff
#  DirFakeUser                  on ftp
#  DirFakeGroup                 on ftp
#
#  # Limit WRITE everywhere in the anonymous chroot
  <Limit WRITE SITE_CHMOD>
    DenyAll
  </Limit>
#
#  # An upload directory that allows storing files but not retrieving
#  # or creating directories.
  <Directory uploads/*>
    AllowOverwrite              no
    <Limit READ>
      DenyAll
    </Limit>
    <Limit STOR>
      AllowAll
    </Limit>
 </Directory>
#
#  # Don't write anonymous accesses to the system wtmp file (good idea!)
#  WtmpLog                      off
#
#  # Logging for the anonymous transfers
#  ExtendedLog          /var/log/proftpd/access.log WRITE,READ default
#  ExtendedLog          /var/log/proftpd/auth.log AUTH auth
#
</Anonymous>
Вот такой забочик.
А вы просили оба конфига, а какой второй?