| -P INPUT DROP | |
| -P FORWARD DROP | |
| -P OUTPUT DROP | |
| -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT | |
| -A INPUT -i lo -j ACCEPT | |
| -A INPUT -p icmp -j ACCEPT | |
| -A INPUT -p udp -j NFQUEUE --queue-num 10000 | |
| -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT | |
| -A INPUT -d 224.0.0.251/32 -p udp -m udp --dport 5353 -j ACCEPT | |
| -A OUTPUT -d 239.255.255.250/32 -p udp -m udp --dport 1900 -j NFQUEUE --queue-num 10001 | |
| -A OUTPUT -m conntrack --ctstate NEW,RELATED,ESTABLISHED -j ACCEPT | |
| -A OUTPUT -o lo -j ACCEPT |