IDLE: personal firewall software is blocking the connection

[vsoler]

On 5 sep, 18:00, vsoler <vicente.so... at gmail.com> wrote:
> I'am getting this annoying message all the time when using IDLE.
>
> ...  personal firewall software is blocking the connection
>
> When I am editing a source *.py file and I click on F5 (run) I get the
> above message.
>
> What can I do?
>
> I am using Norton Internet Security. I try to find if 127.0.0.1 is
> blocked, but I do not know where to look.
>
> Can anybody help?