Marian Marinov/HackMan

If you need to SNAT local processes over a specific interface(for example a tunnel) there are a few things you have to do and this artical describes the required steps.
= Sysctls =
net.ipv4.ip_forward=1
net.ipv4.conf.default.rp_filter=0
net.ipv4.conf.all.rp_filter=0
More specific, you need to disable the rp_filter over the interface you are receiving the traffic. For tunnels this usually is [...]