proftpd를 설치했는데 왜 접속이 안될까요???왕초보...

설치 다하고 나름 설정도 했는데 접속이 안되네요..무슨 문제가 있나요..봐주세요...
yum으로 설치 했습니다...그리고 설정은 vi /etc/proftpd.conf했습니다...
아래는 내용입니다..무엇이 문제인지.....
# This is the ProFTPD configuration file
# $Id: proftpd.conf,v 1.1 2004/02/26 17:54:30 thias Exp $

ServerName "hi. hanseo ee 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 30
#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.

AllowOverwrite yes

AllowAll

# 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.
#
# LoadModule mod_sql.c
# LoadModule mod_sql_mysql.c
# LoadModule mod_sql_postgres.c
#

# A basic anonymous configuration, with an upload directory.
#
# User ftp
# Group ftp
# RequireValidshell off
# 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
#
# DenyAll
#
#
#
# AllowAll
#
#
# # Limit WRITE everywhere in the anonymous chroot
#
# DenyAll
#
#
#
# Umask 070
# AllowStoreRestart on
# AllowretrieveRestart on
#
# # An upload directory that allows storing files but not retrieving
# # or creating directories.
#
# AllowOverwrite no
#
# AllowAll
#
#
#
# AllowAll
#
#
#
# # 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
#
#
여기까지고요..리눅스 공부를 최근에 시작했는데 에러 때문에 미칠 지경입니다..도와주세요.
ㅜ.ㅜ
참고로 페도라 6입니다....