DenyHosts安装及配置

it2022-05-05  66

DenyHosts(项目主页:http://denyhosts.sourceforge.net/)是运行于Linux上的一款预防SSH暴力破解的软件,可以从http://sourceforge.net/projects/denyhosts/files/进行下载,然后将下载回来的DenyHosts-2.6.tar.gz源码包上传到Linux系统中。

下面是安装过程****************************************************************tar zxvf DenyHosts-2.6.tar.gz                                           #解压源码包cd DenyHosts-2.6                                                            #进入安装解压目录python setup.py install                                                    #安装DenyHostscd /usr/share/denyhosts/                                                #默认安装路径cp denyhosts.cfg-dist denyhosts.cfg                                #denyhosts.cfg为配置文件cp daemon-control-dist daemon-control                        #daemon-control为启动程序chown root daemon-control                                           #添加root权限chmod 700 daemon-control                                            #修改为可执行文件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denyhostschkconfig daemon-control on             #将denghosts设成开机启动******************************************************************

vi /usr/share/denyhosts/denyhosts.cfg       #编辑配置文件,另外关于配置文件一些参数,通过grep -v "^#" denyhosts.cfg查看SECURE_LOG = /var/log/secure                  #ssh 日志文件,redhat系列根据/var/log/secure文件来判断;Mandrake、FreeBSD根据 /var/log/auth.log来判断                                                                  #SUSE则是用/var/log/messages来判断,这些在配置文件里面都有很详细的解释。HOSTS_DENY = /etc/hosts.deny                 #控制用户登陆的文件PURGE_DENY = 30m                                  #过多久后清除已经禁止的,设置为30分钟;# ‘m’ = minutes# ‘h’ = hours# ‘d’ = days# ‘w’ = weeks# ‘y’ = yearsBLOCK_SERVICE = sshd                           #禁止的服务名,当然DenyHost不仅仅用于SSH服务DENY_THRESHOLD_INVALID = 1             #允许无效用户失败的次数DENY_THRESHOLD_VALID = 3                 #允许普通用户登陆失败的次数DENY_THRESHOLD_ROOT = 3                 #允许root登陆失败的次数DAEMON_LOG = /var/log/denyhosts      #DenyHosts日志文件存放的路径,默认

更改DenyHosts的默认配置之后,重启DenyHosts服务即可生效: /etc/init.d/daemon-control restart         #重启denyhosts

转载于:https://www.cnblogs.com/xia/archive/2011/02/11/1951257.html

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