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iptables日志维护

发布时间:2014-09-05 13:58:08作者:知识屋

iptables日志维护
 
一、配置syslogd的配置文件/etc/syslog.conf
在文件syslog.conf里添加如下内容
# Iptables logging
kern.debug /var/log/iptables
 
二、使用IPtables滚动日志
先查看并确定logrotate的配置文件/etc/logrotate.conf内容如下:
# see "man logrotate" for details 
# rotate log files weekly weekly 
# keep 4 weeks worth of backlogs rotate 4 
# create new (empty) log files after rotating old ones create 
# uncomment this if you want your log files compressed 
#compress 
# RPM packages drop log rotation information into this directory include /etc/logrotate.d 
# no packages own wtmp -- we'll rotate them here /var/log/wtmp { monthly create 0664 root utmp rotate 1 }
# system-specific logs may be also be configured here.
 
然后在syslog的滚动日志配置文件/etc/logrotate.d/syslog里面添加IPtables的日志文件/var/log/iptables,详细内容如下:
/var/log/iptables /var/log/messages /var/log/secure /var/log/maillog /var/log/spooler /var/log/boot.log /var/log/cron {
    sharedscripts
    postrotate
    /bin/kill -HUP `cat /var/run/syslogd.pid 2> /dev/null` 2> /dev/null || true
    endscript
}
 
最后安排logrotate每天执行一次,确定文件/etc/cron.daily/logrotate内容如下:
#!/bin/sh
 
/usr/sbin/logrotate /etc/logrotate.conf
EXITVALUE=$?
if [ $EXITVALUE != 0 ]; then
    /usr/bin/logger -t logrotate "ALERT exited abnormally with [$EXITVALUE]"
fi
exit 0
到此就完成了!
 
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