【Linux】/etc/hosts.deny與/etc/hosts.allow

小亮520cl發表於2016-06-28
[root@app toolsqldir]# more /etc/hosts.deny 
#
# hosts.deny    This file contains access rules which are used to
#               deny connections to network services that either use
#               the tcp_wrappers library or that have been
#               started through a tcp_wrappers-enabled xinetd.
#
#               The rules in this file can also be set up in
#               /etc/hosts.allow with a 'deny' option instead.
#
#               See 'man 5 hosts_options' and 'man 5 hosts_access'
#               for information on rule syntax.
#               See 'man tcpd' for information on tcp_wrappers
#
sshd: ALL                 ----禁止所有登陸
[root@app toolsqldir]# more /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 'man 5 hosts_access'
#               for information on rule syntax.
#               See 'man tcpd' for information on tcp_wrappers
#
sshd: 125.208.12.124 60.12.157.77 182.254.152.182   放開這些ip   也可以是ip段!

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