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[root@localhost ~]# cat /etc/hosts.allow ## hosts.allow This file contains access rules which are used to# allow or deny connections to network services that# either use the tcp_wrappers library or that have been# started through a tcp_wrappers-enabled xinetd.## See 'man 5 hosts_options' and 阅读全文
posted @ 2013-09-03 17:36
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系统默认的shell在,/etc/default/useradd中,添加用户的时候如果不指定shell,默认的shell就是该文件下制定的文件 阅读全文
posted @ 2013-09-03 16:22
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vi /etc/sysconfig/iptables把icmp那行的ACCEPT改成DROP,重启iptables 阅读全文
posted @ 2013-09-03 15:21
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