Iptables:kernel: Netfilter messages via NETLINK v0.30
有时候,在查看LINUX的后台日志的时候,会看到如下的记录:
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Jul 10 21:38:47 jboss1 kernel: Removing netfilter NETLINK layer. Jul 10 21:39:26 jboss1 kernel: ip_tables: (C) 2000-2006 Netfilter Core Team |
这些记录事实上是在IPTABLES服务启动与停止的时候被自动写入/var/log/message的。
具体现象如下LOG所示:
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[root@jboss1 ~]# tail -f /var/log/messages Jul 10 21:36:26 jboss1 dhclient: DHCPREQUEST on eth0 to 192.168.37.254 port 67 (xid=0x265a100b) ----------------------------------------- IPTABLES ========================================= When You stop IPTABLES. _________________________________________________________ Jul 10 21:42:03 jboss1 kernel: Removing netfilter NETLINK layer. Jul 10 21:42:03 jboss1 kernel: Removing netfilter NETLINK layer. _________________________________________________________ When You start IPTABLES. _________________________________________________________ Jul 10 21:42:51 jboss1 kernel: ip_tables: (C) 2000-2006 Netfilter Core Team Jul 10 21:42:51 jboss1 kernel: Netfilter messages via NETLINK v0.30. Jul 10 21:42:51 jboss1 kernel: ip_conntrack version 2.4 (4096 buckets, 32768 max) - 304 bytes per conntrack Jul 10 21:42:51 jboss1 kernel: ip_tables: (C) 2000-2006 Netfilter Core Team Jul 10 21:42:51 jboss1 kernel: Netfilter messages via NETLINK v0.30. Jul 10 21:42:51 jboss1 kernel: ip_conntrack version 2.4 (4096 buckets, 32768 max) - 304 bytes per conntrack _________________________________________________________ [root@jboss1 ~]# |
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Ending。