Rados mac os. Recently the company I work for started to use Palo Alto's GlobalProtect as a solution for VPN.The solution works quite well but has 2 flaws by default that I don't like.
Updated on 2021-01-16
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First is that the GlobalProtect agent (client) runs automatically after the operating system turns onand this behavior can't be changed in the settings. You can find a solution for it on other blogs.
The second flaw is that it automatically send ALL of my traffic through my company's VPN.I don't think this is beneficial for the company but most importantly it goes against my privacy.There is no need for the employer to know what goes on in my traffic.
This article describes:
- How to split traffic based on IP addresses
- How to do traffic splitting automatically after the GlobalProtect agent connects to VPN
I will only focus on Mac OS but similar steps can be taken also on other operating systems.
Traffic split with GlobalProtect
When you connect to VPN with GlobalProtect, it creates a new network interfaceand edits the routing table so all our traffic is sent through this new network interface.
Split Sphere Mac Os X
To solve this we need to remove a route created by GlobalProtect and then createfew new routes for only those IP addresses which we want to be directed through our VPN. Witchs daughter mac os.
Split Sphere Mac Os Update
We implemented it in Python (based on this blog post).Save the script as split_vpn.py to your home folder.Edit the lists VPN_NETS and VPN_HOSTS based on your needs. Then you can run it every timeyou want to split traffic.
Automatic traffic split after connecting to VPN
Now when we have the script to split our traffic, we want it to run automaticallyafter we connect to VPN with GlobalProtect.As it is stated in the documentation,GlobalProtect agent can run commandsbefore connecting, after connecting and before disconnecting.
Follow these steps to run the script after GlobalProtect agent connects to VPN:
- Disable and close GlobalProtect
- Run
killall cfprefsd - Open in editor
/Library/Preferences/com.paloaltonetworks.GlobalProtect.settings.plist - Add to the section
/Palo Alto Networks/GlobalProtect/Settings/following (edit path based on your username):
- Add this script to your home folder and save it as
post_vpn_connect.sh
Dinja klan xtreme (demo) mac os. Now your traffic should be automatically split each time you connect to VPN with GlobalProtect. Nice!
