From 8156d5f602b2cba619ad0f954491ea8ed15d4229 Mon Sep 17 00:00:00 2001
From: hwdsl2 <sl85mail@hotmail.com>
Date: Sun, 16 Feb 2014 23:04:19 -0800
Subject: [PATCH]

---
 vpnsetup.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vpnsetup.sh b/vpnsetup.sh
index 097fbc7..2c9801f 100644
--- a/vpnsetup.sh
+++ b/vpnsetup.sh
@@ -164,6 +164,7 @@ net.ipv4.tcp_rmem= 10240 87380 12582912
 net.ipv4.tcp_wmem= 10240 87380 12582912
 EOF
 
+/bin/cp -f /etc/iptables.rules /etc/iptables.rules.old
 cat > /etc/iptables.rules <<EOF
 *filter
 :INPUT ACCEPT [0:0]