pureftpd

1. 설치 하 다.
참고:http://opensourceholic.com/2014/05/11/setup-ftp-account-on-amazon-ec2-using-pure-ftpd/
Install Pure-FTPd:
To install Pure-FTPD on Ubuntu run below command on terminal sudo apt-get install pure-ftpd
Unlike most FTP servers, Pure-FTPd has almost no configuration files. It is all command-line driven.
Create an unprivileged user and group using the following commands: sudo groupadd ftpgroup sudo useradd -g ftpgroup -d /dev/null -s /etc ftpuser sudo chown -R ftpuser:ftpgroup /home/ftpusers
Next create your ftpuser directory sudo mkdir /home/ftpusers
This will be the home directory at /home/ftpusers. This will be the root of their access on the server if you create your users with jail access where they can’t move up to higher levels. You can also create a individual home directories for each user using symlink.
The ‘ftpgroup’ group and the ‘ftpuser’ user will be needed when you are setting up users in your ftp server.
Setup FTP user account:
Create a user directory or a home directory for user  $USER . Replace  $USER  with your user name. sudo mkdir /home/ftpusers/$USER
Create user $USER sudo pure-pw useradd joe -u ftpuser -d /home/ftpusers/$USER
If you wish to create a admin user with full server access omit the  -d /home/ftpusers/$USER  parameter.
Create a user database sudo pure-pw mkdb
Create symbolic links between the respective files. Use following commands to create a symbolic links. sudo ln -s /etc/pure-ftpd/pureftpd.passwd /etc/pureftpd.passwd sudo ln -s /etc/pure-ftpd/pureftpd.pdb /etc/pureftpd.pdb sudo ln -s /etc/pure-ftpd/conf/PureDB /etc/pure-ftpd/auth/PureDB
Configure Pure-FTPd:

Disable UNIX authentication

root@ec2-user:~# echo no > /etc/pure-ftpd/conf/UnixAuthentication

Run as a daemon

root@ec2-user:~# echo "yes" > /etc/pure-ftpd/conf/Daemonize

Prohibit Anonymous

root@ec2-user:~# echo "yes" > /etc/pure-ftpd/conf/NoAnonymous

Enable chroot

root@ec2-user:~# echo "yes" > /etc/pure-ftpd/conf/ChrootEveryone

Only IPV4

root@ec2-user:~# echo "yes" > /etc/pure-ftpd/conf/IPV4Only
All this configuration is for normal FTP server below are some configuration specific for Amazon EC2 Server

Enable Passive mode

root@ec2-user:~# echo "50000 50100" > /etc/pure-ftpd/conf/PassivePortRange

Access to public IP

root@ec2-user:~# echo "public_ip" > /etc/pure-ftpd/conf/ForcePassiveIP
Here put your EC2 server Public IP. Enable port range  50000-50100  and  21  in your amazon security group.

Restart Pure-FTPd

sudo /etc/init.d/pure-ftpd restart
And its done try to access your FTP account using your favorite FTP client ex Filezilla, gFTP.
Pure-FTPd commands:
Following are the parameters that you can use with pure-pw command. Look at Pure-FTPd documentation for list of options use pure-pw –help -d <home directory> : chroot user (recommended) -D <home directory> : don't chroot user -z <time> : To allow access only between given time period -y <max number of concurrent sessions> -r <allow client ip>/<mask> -R <deny client ip>/<mask> -m : also update the /etc/pure-ftpd/pureftpd.pdb database

Update an existing User

sudo pure-pw usermod $user $options -m

Remove an existing User

sudo pure-pw userdel $USER -m

List out all Users 

sudo pure-pw list

Update the User/Password Database Manually

In case you forget -m option update the User/Password Database manually sudo pure-pw mkdb

View Server Activity

sudo pure-ftpwho
2. ECONNREFUSED - Connection refused by server error
방화벽 닫 기:ufw disable
iptable:iptables-A INPUT-p tcp--dport 21-j ACCEPT 설정
iptables -A INPUT -p tcp --dport 20 -j ACCEPT
iptables -A INPUT -p tcp --dport 50000：50100 -j ACCEPT
    연결 이 안 돼.마지막 참조:http://adamschepis.com/blog/2011/02/23/pure-ftpd-passive-ftp-on-amazon-ec2/
     제거 하 다 ForcePassiveIP 127.0.0.1 인자 또는 가상 서버 의 네트워크 IP 로 변경
      문제 해결
주:클 라 우 드 서버 에 방화벽 이 있 으 면 관련 포트 도 열 어야 합 니 다.
3.사용자 작업 디 렉 터 리 수정
 pure-pw usermod riboud -u ftpuser -D /.