icmp
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@ -270,7 +270,7 @@ Prepare a grub.cfg
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type filter hook input priority 0; policy accept;
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iifname "lo" accept
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ip protocol icmp accept
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ip6 nexthdr ipv6-icmp accept
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ip6 nexthdr icmp accept
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tcp dport ssh accept
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tcp dport domain accept
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tcp dport http accept
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