What factors should you consider when choosing a VPN protocol? This will depend on your circumstances, but some of the likely factors will include:
- Interoperability with other firewalls and routers
- The type of authentication used
- Ease of configuration
- The number of WAN-type interfaces
- The operating systems supported
- The complexity of your networks
- Security needs
Although you might set up VPN tunnels between two pfSense systems when working through the examples in this book, in real-world scenarios, it is very likely that you will be connecting to other firewalls or routers, and therefore, interoperability will become a factor. If this is the case, then IPsec is probably the best choice, since it is included with ...
