Not only are they unnecessary, they are often best to be avoided. I recently had to reinstall Windows OS after I updated firewall software as after that VPN sto

Not only are they unnecessary, they are often best to be avoided. I recently had to reinstall Windows OS after I updated firewall software as after that VPN stopped working and some serious IT pros were not able to fix it (even with different clients tried). After we lost a couple of days, I reinstalled OS. This ofc. happened at worst possible time.