1*a71a9546SAutomerger Merge Workeriptables-translate -A INPUT -p tcp -i eth0 --sport 53 -j ACCEPT 2*a71a9546SAutomerger Merge Workernft 'add rule ip filter INPUT iifname "eth0" tcp sport 53 counter accept' 3*a71a9546SAutomerger Merge Worker 4*a71a9546SAutomerger Merge Workeriptables-translate -A OUTPUT -p tcp -o eth0 --dport 53:66 -j DROP 5*a71a9546SAutomerger Merge Workernft 'add rule ip filter OUTPUT oifname "eth0" tcp dport 53-66 counter drop' 6*a71a9546SAutomerger Merge Worker 7*a71a9546SAutomerger Merge Workeriptables-translate -I OUTPUT -p tcp -d 8.8.8.8 -j ACCEPT 8*a71a9546SAutomerger Merge Workernft 'insert rule ip filter OUTPUT ip protocol tcp ip daddr 8.8.8.8 counter accept' 9*a71a9546SAutomerger Merge Worker 10*a71a9546SAutomerger Merge Workeriptables-translate -I OUTPUT -p tcp --dport 1020:1023 --sport 53 -j ACCEPT 11*a71a9546SAutomerger Merge Workernft 'insert rule ip filter OUTPUT tcp sport 53 tcp dport 1020-1023 counter accept' 12*a71a9546SAutomerger Merge Worker 13*a71a9546SAutomerger Merge Workeriptables -A INPUT -p tcp --tcp-flags ACK,FIN FIN -j DROP 14*a71a9546SAutomerger Merge Workernft 'add rule ip filter INPUT tcp flags fin / fin,ack counter drop' 15*a71a9546SAutomerger Merge Worker 16*a71a9546SAutomerger Merge Workeriptables-translate -A INPUT -p tcp --syn -j ACCEPT 17*a71a9546SAutomerger Merge Workernft 'add rule ip filter INPUT tcp flags syn / fin,syn,rst,ack counter accept' 18*a71a9546SAutomerger Merge Worker 19*a71a9546SAutomerger Merge Workeriptables-translate -A INPUT -p tcp --syn --dport 80 -j ACCEPT 20*a71a9546SAutomerger Merge Workernft 'add rule ip filter INPUT tcp dport 80 tcp flags syn / fin,syn,rst,ack counter accept' 21*a71a9546SAutomerger Merge Worker 22*a71a9546SAutomerger Merge Workeriptables-translate -A INPUT -f -p tcp 23*a71a9546SAutomerger Merge Workernft 'add rule ip filter INPUT ip frag-off & 0x1fff != 0 ip protocol tcp counter' 24*a71a9546SAutomerger Merge Worker 25*a71a9546SAutomerger Merge Workeriptables-translate -A INPUT ! -f -p tcp --dport 22 26*a71a9546SAutomerger Merge Workernft 'add rule ip filter INPUT ip frag-off & 0x1fff 0 tcp dport 22 counter' 27*a71a9546SAutomerger Merge Worker 28*a71a9546SAutomerger Merge Workeriptables-translate -A INPUT -p tcp --tcp-option 23 29*a71a9546SAutomerger Merge Workernft 'add rule ip filter INPUT tcp option 23 exists counter' 30*a71a9546SAutomerger Merge Worker 31*a71a9546SAutomerger Merge Workeriptables-translate -A INPUT -p tcp ! --tcp-option 23 32*a71a9546SAutomerger Merge Workernft 'add rule ip filter INPUT tcp option 23 missing counter' 33