FreeBSD+IPFILTER实现整网(N个Vlan)透明代理上网(6) block in quick on em0 from 0.0.0.0/8 to any group 12 block in quick on em0 from 169.254.0.0/16 to any group 12 block in quick on em0 from 192.0.2.0/24 to any group 12 block in quick on em0 from 204.152.64.0/23 to any group 12 block in quick on em0 from 224.0.0.0/3 to any group 12 block in quick on em0 from 20.20.20.0/24 to any group 12
#---------------------------------------------------------------- # Block all remaining traffic coming into the firewall #---------------------------------------------------------------- pass in quick on em0 proto tcp from any to any port = 80 flags S keep state group 12 block in quick on em0 all group 12