On 04/03/2015 02:13 PM, Matthias Apitz wrote: > > Hello, > > While connected to a Wifi zone, I launched in the phone from the > terminal app: > > $ nc -l 12345 > > and from my netbook, connected to the same Wifi zone: > > # telnet 192.168.1.11 12345 > Trying 192.168.1.11... > Connected to 192.168.1.11. > Escape character is '^]'. > aaaa > > and ofc the connect worked and the typed chars 'aaaa' show up in the above > nc-session? > > I.e. the phone is completely open on all ports!!! Can I activate and > configure some inbound firewall in the phone? >
ufw is shipped on the phone[1]. You can open a terminal and/or connect over adb and do: $ sudo ufw enable [1] https://wiki.ubuntu.com/UncomplicatedFirewall -- Jamie Strandboge http://www.ubuntu.com/
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