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49 lines
1.0 KiB
49 lines
1.0 KiB
12 months ago
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#!/bin/sh
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# Author: Christoph Galuschka <christoph.galuschka@chello.at>
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# Athmane Madjoudj <athmanem@gmail.com>
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t_Log "Running $0 - iptables functional check - deny ping on loopback"
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if [ "$centos_ver" -ge 7 ];then
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t_Log "CentOS $centos_ver uses firewalld and not iptables -> SKIP"
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t_CheckExitStatus 0
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exit 0
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fi
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ACL='INPUT -s 127.0.0.1/32 -d 127.0.0.1/32 -p icmp -m icmp -j REJECT'
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COUNT='4'
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DEADTIME='1'
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# ensure we have the default iptables-setting
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#/etc/init.d/iptables restart > /dev/null
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service iptables restart
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# Verify it worked previously
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ping -q -c $COUNT -i 0.25 127.0.0.1 |grep -qc "${COUNT} received"
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if [ $? == 1 ]
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then
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t_Log "ping to loopback failed prior to test, this should not happen"
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t_CheckExitStatus 1
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fi
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# Applying ACL
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iptables -I ${ACL}
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ping -q -c $COUNT -i 0.25 -w $DEADTIME 127.0.0.1 > /dev/null 2>&1
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if [ $? == 1 ]
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then
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t_Log "iptables REJECT works fine"
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ret_val=0
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else
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ret_val=1
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fi
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# cleanup
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service iptables restart
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#/etc/init.d/iptables restart > /dev/null
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t_CheckExitStatus $ret_val
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