FTP Service Setup

  • 2017-08-21
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FTP service setup

  1. Setup vsftpd
    sudo apt-get install vsftpd -y
  2. Start vsftpd

    • check whether the port 21 is working
      sudo netstat -nltp | grep 21
    • if the above not start, you can do it manually
      sudo systemctl start vsftpd.service
  3. Config the User directory
    • make a directory sudo mkdir /home/uftp
    • make a welcome file sudo touch /home/uftp/welcome.txt
    • config user and create passwd
    • sudo useradd -d /home/uftp -s /bin/bash uftp
    • sudo passwd uftp
    • remove the file to avoid login failed. sudo rm /etc/pam.d/vsftpd
  4. Do some limitation
    • make the user only access the ftp instead of login the server sudo usermod -s /sbin/nologin uftp
    • config again sudo chmod a+w /etc/vsftpd.conf
      # 限制用户对主目录以外目录访问
      chroot_local_user=YES
      
      # 指定一个 userlist 存放允许访问 ftp 的用户列表
      userlist_deny=NO
      userlist_enable=YES
      
      # 记录允许访问 ftp 用户列表
      userlist_file=/etc/vsftpd.user_list
      
      # 不配置可能导致莫名的530问题
      seccomp_sandbox=NO
      
      # 允许文件上传
      write_enable=YES
      
      # 使用utf8编码
      utf8_filesystem=YES
      
    • create the access file for user list
      sudo touch /etc/vsftpd.user_list
      sudo chmod a+w /etc/vsftpd.user_list
      modify the user_list as followed:
      uftp
    • config the access authority
      • the main dir only read sudo chmod a-w /home/uftp
      • the pulic dir can be read and wrote sudo mkdir /home/uftp/public && sudo chmod 777 -R /home/uftp/public
    • restart the service sudo systemctl restart vsftpd.service
  5. Prepare the domain and just make the analyze ip then everything will be ok.

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