default via 142.9x.x.x dev eth0 proto static 10.16.x.x/16 dev eth0 proto kernel scope link src 10.16.x.x 142.9x.x.x/20 dev eth0 proto kernel scope link src 142.9x.x.x (public IP) On Thu, Dec 20, 2018 at 4:37 PM zrm <zrm@xxxxxxxxxxxxxxx> wrote: > > What does the output of "ip route" have to say for itself? > > On 12/20/18 08:47, Josiah Chinedu wrote: > > Yes am trying to pass traffic through the tunnel. > > > > On Thu, Dec 20, 2018 at 12:54 PM Josiah Chinedu > > <josiahaccounts@xxxxxxxxx> wrote: > >> > >> Hello, i am having issues passing traffic through a tunnel that was > >> created using StrongSwan. > >> Since the tunnel is up, i am having difficulties connecting to through > >> the tunnel to the partner's server. > >> The idea is to route incoming traffic through the tunnel to the > >> partners server ip. > >> I have tried lots of solution but none seems to work. > >> > >> Here is my iptables current configuration: > >> x.x.x.x = external IP > >> y.y.y.y = VPN public IP > >> z.z.z.z = Partner Server Private IP > >> port = partner open port > >> > >> iptables -t nat -A PREROUTING -s x.x.x.x -d y.y.y.y -p udp -j DNAT > >> --to-dest z.z.z.z:port > >> iptables -t nat -A POSTROUTING -d z.z.z.z -p udp --dport port -j SNAT > >> --to-source y.y.y.y:4500
