Add rules to open traceroute UDP port.
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@ -81,13 +81,15 @@ NTPOK='0.0.0.0/0'
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/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 80 --match state --state ESTABLISHED,RELATED -j ACCEPT
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/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 80 --match state --state ESTABLISHED,RELATED -j ACCEPT
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/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 443 --match state --state ESTABLISHED,RELATED -j ACCEPT
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/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 443 --match state --state ESTABLISHED,RELATED -j ACCEPT
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# Allow DNS and NTP traffic
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# Allow DNS, NTP and traceroute traffic
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/sbin/ip6tables -A OUTPUT -p udp --dport 53 --match state --state NEW -j ACCEPT
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/sbin/ip6tables -A OUTPUT -p udp --dport 53 --match state --state NEW -j ACCEPT
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/sbin/ip6tables -A OUTPUT -p udp --dport 123 --match state --state NEW -j ACCEPT
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/sbin/ip6tables -A OUTPUT -p udp --dport 123 --match state --state NEW -j ACCEPT
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/sbin/ip6tables -A OUTPUT -p udp --dport 33434:33523 --match state --state NEW -j ACCEPT
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################### IPv4 Specific rules
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################### IPv4 Specific rules
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# /sbin/iptables ...
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# /sbin/iptables ...
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# Allow DNS and NTP
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# Allow DNS, NTP and traceroute traffic
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/sbin/iptables -A OUTPUT -p udp --dport 53 --match state --state NEW -j ACCEPT
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/sbin/iptables -A OUTPUT -p udp --dport 53 --match state --state NEW -j ACCEPT
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/sbin/iptables -A OUTPUT -p udp --dport 123 --match state --state NEW -j ACCEPT
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/sbin/iptables -A OUTPUT -p udp --dport 123 --match state --state NEW -j ACCEPT
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/sbin/iptables -A OUTPUT -p udp --dport 33434:33523 --match state --state NEW -j ACCEPT
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