More tweaks to the NAT forward conntrack

master
bbruns 11 years ago
parent 50fd9abccb
commit e4381732c6
  1. 6
      bin/firewall-sosdg

@ -688,7 +688,7 @@ if [ $NAT ]; then
$IPTABLES -A POSTROUTING -t nat -s ${NAT_RULE[2]} -j SNAT \
-o ${NAT_RULE[3]} --to-source ${NAT_RULE[4]}
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} NEW,RELATED,ESTABLISHED -i ${NAT_RULE[1]} -s ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} NEW,RELATED,ESTABLISHED -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} RELATED,ESTABLISHED -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} INVALID -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j DROP
display_c DEFAULT "\t${GREEN}SNAT:${PURPLE}${NAT_RULE[1]}:${NAT_RULE[2]}${AQUA}->${BLUE}${NAT_RULE[3]}:${NAT_RULE[4]}"
if [[ ! "$INIF_EXISTS" =~ "${NAT_RULE[1]}:${NAT_RULE[2]}" ]]; then
@ -709,7 +709,7 @@ if [ $NAT ]; then
MASQ)
$IPTABLES -A POSTROUTING -t nat -s ${NAT_RULE[2]} -j MASQUERADE -o ${NAT_RULE[3]}
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} NEW,RELATED,ESTABLISHED -i ${NAT_RULE[1]} -s ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} NEW,RELATED,ESTABLISHED -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} RELATED,ESTABLISHED -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} INVALID -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j DROP
display_c DEFAULT "\t${GREEN}MASQ:${PURPLE}${NAT_RULE[2]}${AQUA}->${BLUE}${NAT_RULE[3]}"
if [[ ! "$INIF_EXISTS" =~ "${NAT_RULE[1]}:${NAT_RULE[2]}" ]]; then
@ -730,7 +730,7 @@ if [ $NAT ]; then
NETMAP)
$IPTABLES -A PREROUTING -t nat -s ${NAT_RULE[2]} -j NETMAP --to ${NAT_RULE[4]}
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} NEW,RELATED,ESTABLISHED -i ${NAT_RULE[1]} -s ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} NEW,RELATED,ESTABLISHED -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} RELATED,ESTABLISHED -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j ACCEPT
$IPTABLES -A FORWARD ${M_STATE} ${C_STATE} INVALID -o ${NAT_RULE[1]} -d ${NAT_RULE[2]} -j DROP
display_c DEFAULT "\t${GREEN}NETMAP:${PURPLE}${NAT_RULE[2]}${AQUA}->${BLUE}${NAT_RULE[4]}"
if [[ ! "$INIF_EXISTS" =~ "${NAT_RULE[1]}:${NAT_RULE[2]}" ]]; then

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