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Connection refused when tryign to run bottle/flask web framweworks


?? ???????, 20 ????????? 2018 - 7:18:16 ?.?. UTC+3, ? ??????? Chris Warrick ??????:
> On Mon, 20 Aug 2018 at 18:15, ????? <nikos.at.superhost at gmail.com> wrote:
> >
> > ?? ???????, 20 ????????? 2018 - 9:49:00 ?.?. UTC+3, ? ??????? Miki Tebeka ??????:
> > > If you're trying to access the machine from another machine, you need to change the host to '0.0.0.0'. 'localhost' is the internal interface.
> > >
> > > On Sunday, August 19, 2018 at 10:36:25 PM UTC+3, ????? wrote:
> > > > Hello,
> > > >
> > > > i just installed bottle and flask web frameworks in my CentOS environment but i canno get it working even with the simpleste xample. The coonection is refused always.
> > > >
> > > > from bottle import route, run, template
> > > >
> > > > @route('/hello/<name>')
> > > > def index(name):
> > > >     return template('<b>Hello {{name}}</b>!', name=name)
> > > >
> > > > run(host='localhost', port=8080)
> > > >
> > > >
> > > > Any ideas as to why i cannot access it?
> > > > I dont have sme firewall blocking the ports 8080 or 5000.
> > > >
> > > > Thank you.
> >
> > 0.0.0.0 is used when you want your app to lsiten to all available interfaces. Even with that still i cannot access the hello app.
> 
> You should avoid exposing the built-in web server to the Internet.

> Either way, are you sure you don?t have any firewall set up on the
> server?

Yes, as far as i know i dont have any firewal installed, i use webmin/virtulamin and i have uninstalled firewalld.
How can i check if some other firewall like iptables or somethign else is blocking the connection?