[pve-devel] pve-firewall : new model v1

[Alexandre Derumier]

details are in commit,
but this look globally like this


-A PVEFW-FORWARD ! -i fwbr+ -j ACCEPT
-A PVEFW-FORWARD -m conntrack --ctstate INVALID -j DROP
-A PVEFW-FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A PVEFW-FORWARD -m physdev --physdev-in link+ -j PVEFW-FWBR-IN
      -A PVEFW-FWBR-IN -p tcp -j PVEFW-tcpflags
      -A PVEFW-FWBR-IN -m conntrack --ctstate INVALID,NEW -j PVEFW-smurfs
      -A PVEFW-FWBR-IN -m physdev --physdev-out tap123i0 --physdev-is-bridged -j tap123i0-IN
      -A PVEFW-FWBR-IN -m physdev --physdev-out veth0.0 --physdev-is-bridged -j veth0.0-IN
-A PVEFW-FORWARD -m physdev --physdev-is-bridged --physdev-out link+ -j PVEFW-FWBR-OUT
      -A PVEFW-FWBR-OUT -m physdev --physdev-in tap123i0 -j tap123i0-OUT
      -A PVEFW-FWBR-OUT -m physdev --physdev-in veth0.0  -j veth0.0-OUT