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今天做ipv6的測試時發(fā)現(xiàn)telnet 端口提示權(quán)限拒絕,查詢相關(guān)文檔才知道linux 還有一個ip6tables,關(guān)閉該服務(wù)后telnet正常。關(guān)閉selinux 默認是不會關(guān)閉ip6tables。
[root@sit2web ~]# service ip6tables stop
ip6tables: Setting chains to policy ACCEPT: filter [ OK ]
ip6tables: Flushing firewall rules: [ OK ]
ip6tables: Unloading modules: [ OK ]
[root@sit2web ~]# ip6tables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
[root@sit2web ~]#
[root@sit2web ~]#
[root@sit2web ~]#
[root@sit2web ~]# chkconfig ip6tables off