ubuntu-phone team mailing list archive

["A. James Lewis" <james@xxxxxxxxxx>]

The ports you mention don't appear to be open on a default build, with the exception of 53, which surprises me, but still, it is only bound to loopback, so it would be hard to attack remotely.

James

March 9, 2017 12:35 PM, "Matthias Apitz" <guru@xxxxxxxxxxx> wrote:

> El día Thursday, March 09, 2017 a las 09:35:35AM +0200, Simos Xenitellis escribió:
> 
>> On Tue, Mar 7, 2017 at 9:54 PM, Bruce <bruce.griffis@xxxxxxxxx> wrote:
>> And I'm thinking "no."
>> 
>> I am not aware of a firewall being ported to Ubuntu Phone. Perhaps ufw is
>> built in, and we just need gufw to configure it?
>> 
>> Are there any network ports open on Ubuntu Touch? What need would the
>> firewall have
>> if no network ports are open?
> 
> Yes, there are:
> 
> $ netstat -an | egrep 'LISTEN '
> tcp 0 0 127.0.1.1:53 0.0.0.0:* LISTEN
> tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
> tcp 0 0 0.0.0.0:8888 0.0.0.0:* LISTEN
> tcp6 0 0 :::22 :::* LISTEN
> 
> port 22 is for SSH; on port 8888 I have started a python httpd to serve
> uNav with prefetched tiles; would be good to limit access to both with
> some firewall;
> 
> matthias
> 
> --
> Matthias Apitz, ✉ guru@xxxxxxxxxxx, ⌂ http://www.unixarea.de ☎ +49-176-38902045
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--
A. James Lewis (james@xxxxxxxxxx)
"Engineering does not require science. Science helps a lot but people
built perfectly good brick walls long before they knew why cement works."