extensions: libxt_connbytes: Add translation to nft

For example:
  # iptables-translate -A OUTPUT -m connbytes --connbytes 200 \
  --connbytes-dir original --connbytes-mode packets
  nft add rule ip filter OUTPUT ct original packets ge 200 counter

  # iptables-translate -A OUTPUT -m connbytes ! --connbytes 200 \
  --connbytes-dir reply --connbytes-mode packets
  nft add rule ip filter OUTPUT ct reply packets lt 200 counter

  # iptables-translate -A OUTPUT -m connbytes --connbytes 200:600 \
  --connbytes-dir both --connbytes-mode bytes
  nft add rule ip filter OUTPUT ct bytes 200-600 counter

  # iptables-translate -A OUTPUT -m connbytes ! --connbytes 200:600 \
  --connbytes-dir both --connbytes-mode bytes
  nft add rule ip filter OUTPUT ct bytes != 200-600 counter

  # iptables-translate -A OUTPUT -m connbytes --connbytes 200:200 \
  --connbytes-dir both --connbytes-mode avgpkt
  nft add rule ip filter OUTPUT ct avgpkt 200 counter

Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
1 file changed