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I want to open some ports on my family's network, for game servers and other protocols like HTTP and FTP. My dad, however, thinks this is unsafe (for him).
Is it easy for a hacker to get in to our network using these open ports? If he does, does he have access to the whole network or just my computer?
I was lucky, my dad let me have unknown 5-digit ports, but I still want to use "normal" ports.
I don't really care if a hacker gets in to my computer, but my dad does. Does the hacker have access to my dad's computer with no open ports? Or only my computer?
If the hacker can access my dad, can I use 2 routers to make his computer not hackable by hacker? What I mean is that I have the ports forwarded from the family's router to my own router and that router directs them to my own computer (server). Does this jail the hacker into just my "unsafe" network?
maybe you could look towards getting a firewall device between the router and your dad's computer. Then your dad gets as much protection as he did or more. And you get the access you require forwarding the router ports. – barlop – 2013-12-26T22:28:57.423
Depending on how it is configured it is quite possible if a hacker gets into your computer they can use your computer to attack your dads. They can also use your computer to send spam and hack web sites which will all be tracked back to you. Depends on the router a cheap dumb router offers little additional security. A managed switch/router can offer significant protection. You would be able to have 2 subnets and firewall and more to isolate the traffic. – cybernard – 2013-12-26T23:07:02.247