Site to Site
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Hello
Set a pfsense as OpenVPN server and a centos as vpn client, this Cento is gateway office and pfsense is gateway from another office, from the network where is the cento I can ping any computer that is behind the pfsense from the pfsense you I can ping any computer that is behind linux, but the teams that are behind the pfsense you can not ping any computer that is behind linux, if they have any idea that you can be me help a lot -
Have you set a firewall rule on pfSense at OpenVPN interface to allow the access to the other site?
Ensure that software firewalls (Windows) at the destination hosts do not block the access.