I\'m interested in setting up a web server on an old laptop L1. My plan is to co

Question

I'm interested in setting up a web server on an old laptop L1. My plan is to connect that laptop to an Ethernet port on my router. I also have another laptop L2 accessing the router via wi-fi. L2 is running Windows 7; I haven't chosen an OS yet for L1 but it will probably be a Linux distro. If someone attacks my website and somehow gains control of L1, can they access L2 as well? I'm trying to figure out how I can use L1 as a laboratory for security testing and web development without putting L2 at risk.

Explanation / Answer

L2 is also vulnerable if everyone can access your home server using public IP (if you have one). As long as you set up a home server only using private IP (NAT), it will be accessible only to people who connected to your network, but including people who use your wi-fi since they are in a same router. If it's your only option, just make sure that your wi-fi is secure enough.

Another option to build a private home lab for security testing, you can use virtual machine, so you can test anything to your virtual machine without any risk.

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