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IPTables Whiptal option to install.

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Signed-off-by: Dan Schaper <dan.schaper@pi-hole.net>
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Dan Schaper 2017-01-17 13:56:34 -08:00
parent 2981f3cbd1
commit 00b28f0aed
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GPG key ID: 572E999E385B7BFC
1 changed files with 8 additions and 2 deletions
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10
automated install/basic-install.sh
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@ -869,20 +869,26 @@ configureFirewall() {
echo "::: Configuring FirewallD for httpd and dnsmasq.."
firewall-cmd --permanent --add-port=80/tcp --add-port=53/tcp --add-port=53/udp
firewall-cmd --reload
return 0
# Check for proper kernel modules to prevent failure
elif modinfo ip_tables &> /dev/null && command -v iptables &> /dev/null; then
# If chain Policy is not ACCEPT or last Rule is not ACCEPT
# then check and insert our Rules above the DROP/REJECT Rule.
if iptables -S INPUT | head -n1 | grep -qv '^-P.*ACCEPT$' || iptables -S INPUT | tail -n1 | grep -qv '^-\(A\|P\).*ACCEPT$'; then
whiptail --title "Firewall in use" --yesno "We have detected a running firewall\n\nPi-hole currently requires HTTP and DNS port access.\n\n\n\nInstall Pi-hole default firewall rules?" ${r} ${c} || \
{ echo -e ":::\n::: Not installing firewall rulesets."; return 1; }
echo -e ":::\n::: Installing new IPTables firewall rulesets."
# Check chain first, otherwise a new rule will duplicate old ones
echo "::: Configuring iptables for httpd and dnsmasq.."
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
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
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
return 0
fi
else
echo "::: No active firewall detected.. skipping firewall configuration."
echo -e ":::\n::: No active firewall detected.. skipping firewall configuration."
return 0
fi
echo -e ":::\n::: Skipping firewall configuration."
}
finalExports() {