Tag : ICMP packets

IPtables Block User From Outbound ICMP

Posted February 24, 2016 by John Cenile & filed under CentOS Comments: 8

Tags: ICMP, ICMP packets

Is it possible at all to block all users other than root from sending outbound ICMP packets on an interface?At the moment we have the following two rules in our IPtables config:iptables -A OUTPUT -o eth1 -m owner –uid-owner 0 -j ACCEPTiptables -A OUT..

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