I don't want to send all my network traffic down to VPN when I'm connected to my company's network (via VPN) from home. For example, when I'm working from home, I would like to be able to backup all my files to the Time Capsule at home and still be able to access the company's internal network.
I'm using Leopard's built-in VPN client. I've tried unchecking "Send all traffic over VPN connection." If I do that I will lose access to my company's internal websites be it via curl or the web browser (though internal IPs are still reachable). It'd be ideal if I can selectively choose a set of IPs or domains to be routed through VPN and keep the rest on my own network. Is this achievable with Leopard's built-in VPN client? If you have any software recommendations, I'd like to hear them as well.
Answer
Create the file /etc/ppp/ip-up with following content:
#!/bin/sh
/sbin/route add -interface $1
replacing
with subnet, you want to route through VPN (for ex. 192.168.0.0/16)
execute as root:
chmod 0755 /etc/ppp/ip-up
This file will be executed each time you connect to VPN.
The parameters given to the script:
$1
: The VPN interface (e.g.ppp0
)$2
: Unknown, was0
in my case$3
: IP of the VPN server$4
: VPN gateway address$5
: Regular (non-vpn) gateway for your lan connections
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