Why doesn't xDebug work in phpStorm 8?

Question

PHP

I have never used a debugger in my development time, so I decided to update my skills a little and work with xdebug.
I use: debian 8, php 5.6.9 and phpStorm
I found a lot of configuration instructions, tuned in, got to running xdebug and got this error:
Naturally, xdebug is:

Please tell me what could be the problem?

Answer 1

Under the Help button, click the "listen to connections" button