1. How to create site to site VPN for SMB with low IT budget. part1
2. How to setup OpenVPN server on debian? part2
3. How to create site to site vpn from pfsense to openvpn server.part3

OK, we already have Openvpn server at central office. Now our task is to configure branch office pfsenses (why pfsense) to connect central office Openvpn server:

1. create Hyperv VM for pfsense at branch office 01:
   • mount pfsense iso to the pfsense VM
   • create fixed size virtual disk, 5gb is enough. if you use dynamic disk – pfsense freebsd installer can fail
   • before pfsense installation

We continue previous post about creation of site to site vpn between multiple branch offices and central office of company.

• How to create site to site VPN for SMB with low IT budget. part1
• How to setup OpenVPN server on debian? part2
• How to create site to site vpn from pfsense to openvpn server.part3

1. Install latest Debian Linux (better from network installer). During the installation choose:
   • ssh server
   • std system utilities
2. Configure IP address for the server. For example nano /etc/network/interfaces:

iface eth0 inet static
address 192.168.0.2 # it is considered that 192.168.0.1 is used as dgw in central 

• How to create site to site VPN for SMB with low IT budget. part1
• How to setup OpenVPN server on debian? part2
• How to create site to site vpn from pfsense to openvpn server.part3

It’s commonplace to connect multiple company branches and central office by VPN. For my customers for example it’s needed to :

1. implement Active Directory (for small companies with single IT team – only one AD domain and multiple AD sites, everywhere if possible one AD DC)
2. integrate into one DB all Time Attendance machines – one Zkteco application for accountant at central office connects thru vpn