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在Linux上怎么安装和配置DenyHosts工具

更新时间:2026-08-21 18:04:26 | 编辑:迟暮。 | 信息来源:互联网

  使用DenyHosts能够进行自动屏ip的功能,掌握DenyHosts在Linux系统中的安装是很有必要的,那么在Linux系统中要如何安装DenyHosts工具呢?安装后又要如何配置呢?这都是用户需要学习的。

  denyhosts是一个安全工具,用Python编写的,用于监视服务器访问日志,防止虚拟专用服务器蛮力攻击。该项目工程通过禁止超过一定次数的失败登录尝试的IP地址。

  步骤一、安装denyhosts

  是的,denyhosts很容易安装在Ubuntu

  sudo apt-get install denyhosts

  一旦程序下载完成后,denyhosts将自动安装和配置在你的VPS上。

  步骤二、白名单的IP地址

  在您安装的denyhosts,一定要白名单自己的IP地址。跳过此步骤将让你在锁定自己出你自己的机器的风险。

  打开允许在您的VPS允许的主机列表:

  sudo nano /etc/hosts.allow

  根据描述,在不能从服务器禁止任何IP地址添加,你可以写每一个单独的行上,使用这种格式:

  sshd: yourip

  在进行任何更改后,一定要重新启动denyhosts以使新的设置把你的虚拟专用服务器上的效果:

  sudo /etc/init.d/denyhosts restart

  步骤三(可选)配置的denyhosts

  是的,denyhosts随时使用,只要安装就结束了。

  但是,如果你想自定义你的VPS的denyhosts的行为,可以使DenyHost配置文件中的变化:

  sudo nano /etc/denyhosts.conf

  DenyHosts参数配置

  # cd /usr/share/denyhosts/ #DenyHosts默认安装目录

  # cp denyhosts.cfg-dist denyhosts.cfg

  # vi denyhosts.cfg #DenyHosts配置文件

  SECURE_LOG = /var/log/secure #ssh日志文件

  # format is: i[dhwmy]

  # Where i is an integer (eg. 7)

  # m = minutes

  # h = hours

  # d = days

  # w = weeks

  # y = years

  #

  # never purge:

  PURGE_DENY = 50m #过多久后清除已阻止IP

  HOSTS_DENY = /etc/hosts.deny #将阻止IP写入到hosts.deny

  BLOCK_SERVICE = sshd #阻止服务名

  DENY_THRESHOLD_INVALID = 1 #允许无效用户登录失败的次数

  DENY_THRESHOLD_VALID = 10 #允许普通用户登录失败的次数

  DENY_THRESHOLD_ROOT = 5 #允许root登录失败的次数

  WORK_DIR = /usr/local/share/denyhosts/data #将deny的host或ip纪录到Work_dir中

  DENY_THRESHOLD_RESTRICTED = 1 #设定 deny host 写入到该资料夹

  LOCK_FILE = /var/lock/subsys/denyhosts #将DenyHOts启动的pid纪录到LOCK_FILE中,已确保服务正确启动,防止同时启动多个服务。

  HOSTNAME_LOOKUP=NO #是否做域名反解

  ADMIN_EMAIL = #设置管理员邮件地址

  DAEMON_LOG = /var/log/denyhosts #自己的日志文件

  DAEMON_PURGE = 10m #该项与PURGE_DENY 设置成一样,也是清除hosts.deniedssh 用户的时间。

  DenyHosts启动文件配置

  # cp daemon-control-dist daemon-control

  # chown root daemon-control

  # chmod 700 daemon-control

  # 。/daemon-control start #启动DenyHosts

  #ln -s /usr/share/denyhosts/daemon-control /etc/init.d #对daemon-control进行软连接,方便管理

  安装到这一步就完成了。

  #/etc/init.d/daemon-control start #启动denyhosts

  #chkconfig daemon-control on #将denghosts设成开机启动

  加入到自动重启

  # vi /etc/rc.local

  加入下面这条命令

  /usr/share/denyhosts/daemon-control start

  查看攻击ip 记录

  # vi /etc/hosts.deny

  上面就是Linux安装配置DenyHosts的方法介绍了,配置好DenyHosts工具后,你就能使用DenyHosts对日志文件进行分析了。


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  6. 当前时间: 2026-08-21 18:04:23
  7. 当前网协: 216.73.216.186
  8. 请求路径: /anzhuang/32177.html
  9. 运行时间: 3.1811
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