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VPN and route syntax

Hello,

My question is on how route information should be read.

By example I have the following setup:

Lan1 = 192.168.5.0/26
Lan2 = 192.168.5.192/26
External interface = 70.22.50.134
Interface at ISP = 70.22.50.133

70.22.50.132/30 dev eth1  scope link
70.22.50.132/30 dev ipsec0  proto kernel  scope link  src 70.22.50.4
192.168.5.0/26 via 192.168.5.193 dev eth0
192.168.5.192/26 dev eth0  scope link
127.0.0.0/8 dev lo  scope link
default via 70.22.50.133 dev eth1

It seems that the two first routes could case a conflict between services. If traffic with source address = external IP should be routed through the ipsec0 interface, then clearly IPsec should work. But what happens to proxy services. I mean they seem also to origin from the external IP, or?

Thanks,

Michael

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