Question

Why the ping action can't log into iptables.log?

My os :centos 7. yum remove firewalld I want to log all the ping from 111.1111.111.111 into iptables.log.

cat /etc/rsyslog.conf kern.* /var/log/iptables.log

systemctl restart rsyslog

iptables -N LOGGING iptables -A INPUT -j LOGGING iptables -A INPUT -p icmp --icmp-type 8 --source 111.111.111.111 -j LOG iptables -A INPUT -p icmp --icmp-type 8 --source 111.111.111.111 -j DROP service iptables save service iptables restart

Now to ping from 111.111.111.111 to my vps.

  1. iptables -A INPUT -p icmp --icmp-type 8 --source 111.111.111.111 -j DROP can work. ping 104.223.65.117 PING 104.223.65.117 (104.223.65.117) 56(84) bytes of data. ^C — 104.223.65.117 ping statistics — 23 packets transmitted, 0 received, 100% packet loss, time 22003ms

2.iptables -A INPUT -p icmp --icmp-type 8 --source 111.111.111.111 -j LOG can’t work

cat /var/log/iptables.log

Nothing in it.

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