update lib.sh

Signed-off-by: jet tsang zeon-git <zeon-git@jettsang.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib.sh b/src/lib.sh
index 6c743e1..4c0dc34 100755
--- a/src/lib.sh
+++ b/src/lib.sh
@@ -144,8 +144,9 @@ function nt::portforward()
     sourceport=$2
     destinationip=$3
     destinationport=$4
+    snatip=$5
     iptables -t nat -A PREROUTING -d $sourceip -p tcp --dport $sourceport -j DNAT --to $destinationip:$destinationport
-    iptables -t nat -A POSTROUTING -d $destinationip -p tcp -dport $destinationport -j SNAT --to $destinationip
+    iptables -t nat -A POSTROUTING -d $destinationip -p tcp -dport $destinationport -j SNAT --to $snatip
 }
 
 function nt::china_route_novia() {