this post was submitted on 22 Apr 2024
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VPN into Homenetwork Security (feddit.de)
submitted 6 months ago by [email protected] to c/[email protected]
14 comments fedilink hide all child comments
 

This may be a simple question, but I could not find resources on that. Does creating a VPN into my home network using my router increase my attack surface? What are the security implications of that in general?

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[–] [email protected] 2 points 6 months ago

Increase the attack surface compared to what? If you don't allow/enable any access to services inside your network from outside, then by definition you have fewer attack surfaces than if you add a VPN to that empty list.

So trivially the answer is "yes, it adds an attack surface".

But what are the alternatives? If you directly expose each individual service on a dedicated port, for example, then you'd add many more (and usually less well hardened) attack surfaces instead.

So if the comparison is "expose 5 web-based services directly" vs. "expose one VPN like wireguard", then the second option is almost always the clear winner when it comes to security (and frequently also when it comes to ease of setup as well as comfort).