CentOS 7下安装配置proftpd搭建ftp服务器的详细教程


    proftpd全称：Professional FTP daemon，是针对Wu-FTP的弱项而开发的，除了改进的安全性，还具备许多Wu-FTP没有的特点，能以Stand-alone、xinetd模式运行等。ProFTP已经成为继Wu-FTP之后最为流行的FTP服务器软件，越来越多的站点选用它构筑安全高效的FTP站点，ProFTP配置方便，并有MySQL和Quota模块可供选择，利用它们的完美结合可以实现非系统账号的管理和用户磁盘的限制。<摘抄百度百科>
    本章通过下载源码的方式安装，可以到官网下载最新版本：http://www.proftpd.org/
    1、首先安装lrzsz方便拷贝文件到要搭建服务器的linux路径下
    
yum install lrzsz

    2、上传文件解压
    将下载完成的proftpd-1.3.6.tar.gz文件上传到指定路径，使用tar zxvf proftpd-1.3.6.tar.gz解压
    3、由于使用源码安装，所以需要安装gcc编译环境
    
yum install gcc gcc-c++ autoconf automake

    3、配置并制定安装和配置文件路径
    
./configure --prefix=/usr/local/proftpd --sysconfdir=/usr/local/proftpd

    4、安装
    
make&make install

    5、修改配置文件，限制匿名用户可以上传下载，但是不能删除(本章暂不详细描述权限控制部分内容)
    
vi /usr/local/proftpd/proftpd.conf

# This is a basic ProFTPD configuration file (rename it to 
# 'proftpd.conf' for actual use. It establishes a single server
# and a single anonymous login. It assumes that you have a user/group
# "nobody" and "ftp" for normal operation and anon.
ServerName           "Welcome to FTP Server"
ServerType           standalone
DefaultServer          on
# Port 21 is the standard FTP port.
Port              21
# Don't use IPv6 support by default.
UseIPv6             off
# Umask 022 is a good standard umask to prevent new dirs and files
# from being group and world writable.
Umask              022
# 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 under which the server will run.
User              nobody
Group              nobody
# To cause every FTP user to be "jailed" (chrooted) into their home
# directory, uncomment this line.
#DefaultRoot ~
# Normally, we want files to be overwriteable.
AllowOverwrite     on
IdentLookups      off
UseReverseDNS      off
# Bar use of SITE CHMOD by default
<Limit SITE_CHMOD>
 AllowAll
</Limit>
# A basic anonymous configuration, no upload directories. If you do not
# want anonymous users, simply delete this entire <Anonymous> section.
<Anonymous /home>
 User             ftp
 Group             ftp
 # 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          50
 # We want 'welcome.msg' displayed at login, and '.message' displayed
 # in each newly chdired directory.
 DisplayLogin         welcome.msg
 DisplayChdir         .message
 # Limit WRITE everywhere in the anonymous chroot
 <Limit DELE RMD>
  DenyAll
 </Limit>
</Anonymous>

    6、关闭防火墙
    
systemctl stop firewalld.service
systemctl disable firewalld.service

    7、启动服务器
    
/usr/local/proftpd/sbin/proftpd

    查看进程是否已经启动
    
[root@localhost ~]# ps -ef |grep proftpd
nobody  1140   1 0 12:13 ?    00:00:00 proftpd: (accepting connections)
root   3182 2270 0 12:50 pts/0  00:00:00 grep --color=auto proftpd　

    8、添加到启动项避免每次重启后都需要手动启动
    
vi /etc/rc.d/rc.local
#!/bin/bash
# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES
#
# It is highly advisable to create own systemd services or udev rules
# to run scripts during boot instead of using this file.
#
# In contrast to previous versions due to parallel execution during boot
# this script will NOT be run after all other services.
#
# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure
# that this script will be executed during boot.
touch /var/lock/subsys/local
/usr/local/proftpd/sbin/proftpd

    由于在centos7中/etc/rc.d/rc.local的权限被降低了，所以需要加上可执行的权限：
    
chmod +x /etc/rc.d/rc.local

    
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