Check that the service is running and the rules are in effect: service iptables status.
检查此服务是否在运行及这些规则是否有效：serviceiptablesstatus。
It's probably easiest to check your business rules to see what you need.
这可能比较容易检查你的业务规则，看看你需要什么。
It's probably easiest to check your business rules to see what you need.
这可能比较容易检查你的业务规则，看看你需要什么。
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