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centos8 查看登录日志，添加限制ip访问

时间：2020-12-18   编辑：37°5  点个赞呗

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查看登录日志 

tail /var/log/secure 

    
	
	
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限制IP登录 


	vim /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:49.234.62.76:deny


sshd:218.122.198:deny
sshd:159.89.238.247:deny
sshd:49.235.156.117:deny
sshd:51.83.41.120:deny
sshd:121.228.255.99:deny