Do I really need firewall? A newbie's question

Dear Experts,

I have a newbie question about firewall, and hope you can explain to me. Thanks beforehand.

My home network has three computers, and uses ADSL for Internet connection. I just use a normal ADSL modem/router, and use 192.168.x.x addresses in LAN. These addresses are non-routable, which means that other people cannot access my computers from outside using these IP addresses. So, why should I enable firewall in my modem/router settings?

Any reply is appreciated. Thanks!

Lei

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Posted 5 years ago by Lei Hu in Networking Firewalls

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