DISCLAIMER: THE FOLLOWING CAN LEAD TO CREATING SECURITY HOLES IN THE VPN-PROTECTED NETWORK… BE VERY CAREFUL. MAKE SURE YOU KNOW WHAT YOU’RE DOING. IF YOU DON’T UNDERSTAND WHAT YOU’RE DOING, DO NOT PROCEED
VPNs are a pain in the neck. I managed to find a way to have VPN traffic limited to some sites instead of routing everything through your corporate network.
Routing everything through corporate network is also a cause of load on the company’s servers. Imagine a ton of people watching Youtube over VPN. Now, I’m talking about traditional VPN here, not p2p stuff.
vpn-slice is an awesome tool that allows you to use the VPN for only a certain few websites. I used
vpn-slice along with
Installation is pretty straightforward if you follow the documentation. Just make sure the
root user sees the binary. I installed
pyenv seperately for the
root user and configured the global python env to be 3.9.2 (
pyenv global 3.9.2).
That’s it. Now install
$ pyenv global 3.9.2 # or whatever version you want $ pip install --upgrade pip $ pip install dnspython # recommended in project README $ pip install vpn-slice
# Source: https://docs.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide#skype-for-business-online-and-microsoft-teams MSFT="teams.microsoft.com login.microsoftonline.com microsoftstreams.com 18.104.22.168/18, 22.214.171.124/14, 126.96.36.199/14" MYCOMPANY="" # Your company's domains, IP addr etc. openconnect \ -c /home/$USER/.cert/CERT.crt \ -k /home/$USER/.cert/private.key --key-password-from-fsid \ -s "vpn-slice $MSFT $MYCOMPANY" \ vpn.company.com