/etc/ppp/ip-up logging script for https://superuser.com/questions/4904/how-to-selectively-route-network-traffic-through-vpn-on-mac-os-x-leopard

0-ReadMe.md

Attempt to manage vpn routing table with /etc/ppp/ip-up

Related Stackoverflow Question:
https://superuser.com/a/206826/55267

Related answer:
https://superuser.com/a/206826/55267

# setup
sudo touch /etc/ppp/ip-up
sudo vim /etc/ppp/ip-up # fill the script
sudo chmod +x /etc/ppp/ip-up
# tail the logs
sudo tail -f /var/log/ip-up.log

Tested on MacOS 10.13 and didn't work for me. Script doesn't get called.

ip-up.sh

#/bin/sh
now=`date +%Y-%m-%d_%Hh%Mm%Ss`
logfile=/var/log/ip-up.log

echo "$0 called at $now with following params:" >> $logfile
echo "The VPN interface (e.g. ppp0): $1" >> $logfile
echo "Unknown, was 0 in my case $2" >> $logfile
echo "IP of the VPN server: $3" >> $logfile
echo "VPN gateway address: $4" >> $logfile
echo "Regular (non-vpn) gateway for your lan connections: $5" >> $logfile

#/sbin/route add 192.168.0.0/16 -interface $1