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To add to what RobWill described which is a remote access VPN, you can also do a permanent site-to-site (router-to-router) VPN tunnel. &nbsp;This way, any machine on one site can access any machine on the other site. &nbsp;Again, you still need routers capable of terminating VPN tunnels (VPN Passthrough is not good enough).<br />
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Note- VPN passthrough is just to allow machines connected to that router to VPN out to another site or machine using a software VPN client.
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To add to what RobWill described which is a remote access VPN, you can also do a permanent site-to-site (router-to-router) VPN tunnel.  This way, any machine on one site can access any machine on the other site.  Again, you still need routers capable of terminating VPN tunnels (VPN Passthrough is not good enough).

Note- VPN passthrough is just to allow machines connected to that router to VPN out to another site or machine using a software VPN client.

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I have an internet connection. Using a wireless router which connects a few pcs at my home. Wondering if i can actually create a VPN for my buddies(in other network/other place) to connect to my network at home? If yes, how can i configure that? Thanks man.
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I have an internet connection. Using a wireless router which connects a few pcs at my home. Wondering if i can actually create a VPN for my buddies(in other network/other place) to connect to my network at home? If yes, how can i configure that? Thanks man.

How to setup a VPN?

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.