I own a Linksys WRT54G (v3) router with the DDWRT firmware. The Linksys' WAN port is connected via ethernet cable to the DSL Gateway Modem. The gateway modem has provided a static IP to the Linksys: 192.168.2.50. My setup is such that i have the Linksys router auto connecting via PPTP. At the moment ALL local traffic on the Linksys router is passing through the PPTP connection and this passes thru the WAN to the DSL gateway modem. It all works fine.
While connected to PPTP, the Linksys router's DDWRT Setup page states WAN IP = 192.168.2.50, Subnet Mask = 0.0.0.0, Default Gateway = 10.70.1.1. When not connected to PPTP the same Setup page states WAN IP = 192.168.2.50, Subnet = 0.0.0.0, Gateway = 192.168.2.1. Under ROUTER IP, the Linksys Router's IP is always: 192.168.1.1 / 24.
I heard about Split Tunneling which would allow one to send select traffic over the PPTP and other select traffic over the regular non-PPTP network. As far as i can see DDWRT does not support such a thing and so i figured the underlying Linux policy based routing table within the Linksys router is my only hope.
My goal is to have ALL outgoing port 80 requests from my local network on the Linksys be routed through the PPTP. For all other ports i want it to bypass the PPTP and simply go through the regular non-PPTP network. What are the correct IPTABLES, IP ROUTE, IP RULES to make the above work correctly?
Much appreciated.
While connected to PPTP, the Linksys router's DDWRT Setup page states WAN IP = 192.168.2.50, Subnet Mask = 0.0.0.0, Default Gateway = 10.70.1.1. When not connected to PPTP the same Setup page states WAN IP = 192.168.2.50, Subnet = 0.0.0.0, Gateway = 192.168.2.1. Under ROUTER IP, the Linksys Router's IP is always: 192.168.1.1 / 24.
I heard about Split Tunneling which would allow one to send select traffic over the PPTP and other select traffic over the regular non-PPTP network. As far as i can see DDWRT does not support such a thing and so i figured the underlying Linux policy based routing table within the Linksys router is my only hope.
My goal is to have ALL outgoing port 80 requests from my local network on the Linksys be routed through the PPTP. For all other ports i want it to bypass the PPTP and simply go through the regular non-PPTP network. What are the correct IPTABLES, IP ROUTE, IP RULES to make the above work correctly?
Much appreciated.
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