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PPTP Setup Guide for DD-WRT

( Note : Make sure you are connected to the router wirelessly or via Ethernet cable. )

 

Step 1

Please open a Web Browser and Enter your DD-WRT Firmware Router's Local IP to Access Admin Interface. ( Default : 192.168.1.1 )

 

Step 2

After you are logged into Admin Interface , Click on Setup -> Basic Setup and Scroll Down Network Address Server Settings (DHCP ) And Enter Static DNS & Click on Save

Static DNS 1 : 208.67.222.222

Static DNS 2 : 208.67.220.220

 

Step 3

Now Click on Services Tab -> VPN and Enable PPTP Client and Put your PPTP Server IP / Hostname , Remote subnet mask , mppe with statement of stateless ,vpn username and pass and hit save

 

Step 4

Disable SPI Firewall

Click on Security Tab -> Firewall Protection SPI Firewall  -> Disable

 

Step 5

Now go to Administration > Commands

Copy and paste the script from below into the command box and click - Save Firewall 

echo "sleep 60" > /tmp/firewall_script.sh ; echo "gw=\`ip route ls to 0/0|cut -d ' ' -f3\`" >> /tmp/firewall_script.sh ; echo "vpnsrv=\$(nvram get pptpd_client_srvip)" >> /tmp/firewall_script.sh ;echo "dynvpnip=\$(ifconfig ppp0 | grep 'inet addr' | grep -v '127.0.0.1'| cut -d: -f2 | cut -d' ' -f1)" >> /tmp/firewall_script.sh ; echo "vpnip=\$(nvram get pptpd_client_srvsub)" >> /tmp/firewall_script.sh ; echo "route add -host \$vpnsrv gw \$gw" >> /tmp/firewall_script.sh ; echo "route del default" >> /tmp/firewall_script.sh ; echo "route add default dev ppp0" >> /tmp/firewall_script.sh ; echo "iptables -t nat -I POSTROUTING -o ppp0 -j SNAT --to-source \$dynvpnip" >> /tmp/firewall_script.sh ; echo "for i in \`echo \$(nvram get forward_spec)|sed 's=\ =\n=g'|grep on|grep tcp\` ; do" >> /tmp/firewall_script.sh ; echo "iptables -t nat -A PREROUTING -p tcp -i ppp0 -d \$dynvpnip --dport \`echo \$i|cut -d : -f 4|cut -d \> -f 1\` -j DNAT --to \`echo \$i|cut -d \> -f 2\`" >> /tmp/firewall_script.sh ; echo "iptables -A FORWARD -p tcp -i ppp0 -d \`echo \$i|cut -d \> -f 2|cut -d : -f 1\` --dport \`echo \$i|cut -d : -f 4|cut -d \> -f 1\` -j ACCEPT" >> /tmp/firewall_script.sh ; echo "done" >> /tmp/firewall_script.sh ; echo "for i in \`echo \$(nvram get forward_spec)|sed 's=\ =\n=g'|grep on|grep udp\` ; do" >> /tmp/firewall_script.sh ; echo "iptables -t nat -A PREROUTING -p udp -i ppp0 -d \$dynvpnip --dport \`echo \$i|cut -d : -f 4|cut -d \> -f 1\` -j DNAT --to \`echo \$i|cut -d \> -f 2\`" >> /tmp/firewall_script.sh ; echo "iptables -A FORWARD -p udp -i ppp0 -d \`echo \$i|cut -d \> -f 2|cut -d : -f 1\` --dport \`echo \$i|cut -d : -f 4|cut -d \> -f 1\` -j ACCEPT" >> /tmp/firewall_script.sh ; echo "done" >> /tmp/firewall_script.sh ; echo "for i in \`echo \$(nvram get forward_spec)|sed 's=\ =\n=g'|grep on|grep both\` ; do" >> /tmp/firewall_script.sh ; echo "iptables -t nat -A PREROUTING -p tcp -i ppp0 -d \$dynvpnip --dport \`echo \$i|cut -d : -f 4|cut -d \> -f 1\` -j DNAT --to \`echo \$i|cut -d \> -f 2\`" >> /tmp/firewall_script.sh ; echo "iptables -A FORWARD -p tcp -i ppp0 -d \`echo \$i|cut -d \> -f 2|cut -d : -f 1\` --dport \`echo \$i|cut -d : -f 4|cut -d \> -f 1\` -j ACCEPT" >> /tmp/firewall_script.sh ; echo "iptables -t nat -A PREROUTING -p udp -i ppp0 -d \$dynvpnip --dport \`echo \$i|cut -d : -f 4|cut -d \> -f 1\` -j DNAT --to \`echo \$i|cut -d \> -f 2\`" >> /tmp/firewall_script.sh ; echo "iptables -A FORWARD -p udp -i ppp0 -d \`echo \$i|cut -d \> -f 2|cut -d : -f 1\` --dport \`echo \$i|cut -d : -f 4|cut -d \> -f 1\` -j ACCEPT" >> /tmp/firewall_script.sh ; echo "done" >> /tmp/firewall_script.sh ; sh /tmp/firewall_script.sh &

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