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Support Redirect TCP

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This commit is contained in:
Nick Peng
2018-12-02 18:16:08 +08:00
parent 50cd38996e
commit 51dad486b8
2 changed files with 26 additions and 3 deletions
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17
package/optware/S50smartdns
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@@ -7,10 +7,22 @@ SMARTDNS_PORT=535
set_iptable()
{
local redirect_tcp
redirect_tcp=0;
grep ^bind-tcp $SMARTDNS_CONF > /dev/null 2>&1
if [ $? -eq 0 ]; then
redirect_tcp=1;
fi
IPS="`ifconfig | grep "inet addr" | grep -v ":127" | grep "Bcast" | awk '{print $2}' | awk -F: '{print $2}'`"
for IP in $IPS
do
iptables -t nat -A PREROUTING -p udp -d $IP --dport 53 -j REDIRECT --to-ports $SMARTDNS_PORT
if [ $redirect_tcp -eq 1 ]; then
iptables -t nat -A PREROUTING -p tcp -d $IP --dport 53 -j REDIRECT --to-ports $SMARTDNS_PORT > /dev/null 2>&1
fi
iptables -t nat -A PREROUTING -p udp -d $IP --dport 53 -j REDIRECT --to-ports $SMARTDNS_PORT > /dev/null 2>&1
done
}
@@ -20,7 +32,8 @@ clear_iptable()
IPS="`ifconfig | grep "inet addr" | grep -v ":127" | grep "Bcast" | awk '{print $2}' | awk -F: '{print $2}'`"
for IP in $IPS
do
iptables -t nat -D PREROUTING -p udp -d $IP --dport 53 -j REDIRECT --to-ports $SMARTDNS_PORT
iptables -t nat -D PREROUTING -p tcp -d $IP --dport 53 -j REDIRECT --to-ports $SMARTDNS_PORT > /dev/null 2>&1
iptables -t nat -D PREROUTING -p udp -d $IP --dport 53 -j REDIRECT --to-ports $SMARTDNS_PORT > /dev/null 2>&1
done
}