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Merge pull request #1067 from pi-hole/fix/firewall_redux
Fix/firewall redux
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commit
76531da340
2 changed files with 15 additions and 6 deletions
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@ -15,8 +15,11 @@
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<option name="USE_RELATIVE_INDENTS" value="false" />
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</value>
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</option>
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<MarkdownNavigatorCodeStyleSettings>
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<option name="RIGHT_MARGIN" value="72" />
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</MarkdownNavigatorCodeStyleSettings>
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</value>
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</option>
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<option name="USE_PER_PROJECT_SETTINGS" value="true" />
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</component>
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</project>
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</project>
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@ -887,11 +887,17 @@ configureFirewall() {
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echo "::: Configuring FirewallD for httpd and dnsmasq.."
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firewall-cmd --permanent --add-port=80/tcp --add-port=53/tcp --add-port=53/udp
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firewall-cmd --reload
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elif modinfo ip_tables &> /dev/null && iptables -S INPUT | head -n1 | grep -v "ACCEPT" &> /dev/null ; then
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echo "::: Configuring iptables for httpd and dnsmasq.."
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iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
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iptables -A INPUT -p tcp -m tcp --dport 53 -j ACCEPT
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iptables -A INPUT -p udp -m udp --dport 53 -j ACCEPT
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# Check for proper kernel modules to prevent failure
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elif modinfo ip_tables &> /dev/null; then
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# If chain Policy is not ACCEPT or last Rule is not ACCEPT
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# then check and insert our Rules above the DROP/REJECT Rule.
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if iptables -S INPUT | head -n1 | grep -qv '^-P.*ACCEPT$' || iptables -S INPUT | tail -n1 | grep -qv '^-\(A\|P\).*ACCEPT$'; then
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# Check chain first, otherwise a new rule will duplicate old ones
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echo "::: Configuring iptables for httpd and dnsmasq.."
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iptables -C INPUT -p tcp -m tcp --dport 80 -j ACCEPT &> /dev/null || iptables -I INPUT 1 -p tcp -m tcp --dport 80 -j ACCEPT
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iptables -C INPUT -p tcp -m tcp --dport 53 -j ACCEPT &> /dev/null || iptables -I INPUT 1 -p tcp -m tcp --dport 53 -j ACCEPT
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iptables -C INPUT -p udp -m udp --dport 53 -j ACCEPT &> /dev/null || iptables -I INPUT 1 -p udp -m udp --dport 53 -j ACCEPT
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fi
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else
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echo "::: No active firewall detected.. skipping firewall configuration."
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fi
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