At home, I have Ubuntu server with the UFW firewall. What command do I type to turn on local intranet access to my web server, but keep the outside world out from my DSL modem?

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    sudo ufw allow from <ipaddress> to any port <port number> where <ipaddress> would be your internal network and <port number> your webserver port default is 80. – Prix Aug 24 '10 at 23:06

I would guess something like: sudo ufw allow from to port 80

$ sudo ufw default deny
$ sudo ufw enable
$ sudo ufw allow from to any port 80

...where 192.168.1.* is my local NAT routing for my intranet (as in, my workstation is and the subnet mask is

  • yes that is correct you should aswell make use of proto tcp which will make it accept only the webserver protocol instead of all available. – Prix Aug 24 '10 at 23:28

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