清空iptables规则后,是放行状态还是阻断状态
iptables -Fiptables -X
iptables -Z
执行后清空所以iptables规则,清空后iptables是放行所以出入访问还是阻断所以出入访问
iptables -F iptables -X iptables -Z
来自: http://man.linuxde.net/iptables
iptables -F iptables -X iptables -Z
来自: http://man.linuxde.net/iptables
iptables -F iptables -X iptables -Z
来自: http://man.linuxde.net/iptables
iptables -F iptables -X iptables -Z
来自: http://man.linuxde.net/iptables
Blessedness is of comparative degree,you will feel itwith more ease when there is something under you.
dlse 发表于 2017-11-28 14:48
iptables -F
iptables -X
iptables -Z
要看你的 default policy 是哪种设定
使用如下命令可以查看不同 chain 的状态
iptables -L -n
输出:
# iptables -L -n
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT icmp --0.0.0.0/0 0.0.0.0/0
ACCEPT ah --0.0.0.0/0 0.0.0.0/0
ACCEPT esp--0.0.0.0/0 0.0.0.0/0
ACCEPT icmp --0.0.0.0/0 0.0.0.0/0
ACCEPT all--0.0.0.0/0 0.0.0.0/0
ACCEPT all--0.0.0.0/0 0.0.0.0/0 ctstate RELATED,ESTABLISHED
REJECT all--0.0.0.0/0 0.0.0.0/0 ctstate NEW reject-with icmp-port-unreachable
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
若为 ACCEPT 表示放行,若是 DROP 表示阻挡
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