What should I do if the php 9000 port is not started?

Solution to PHP 9000 port not starting: 1. Find "php5/fpm/pool.d/www.conf"; 2. Change listen to "127.0.0.1:9000"; 3. Change nginx Change back to the port listening method; 4. Restart nginx and php-fpm.

The operating environment of this article: ubuntu 16.04 system, PHP7.1 version, DELL G3 computer

What should I do if the php 9000 port is not started? ?After php-fpm is started, port 9000 does not appear?

Recently reproduced a php extension For the backdoor, you need to build an Nginx php environment. I installed nginx naked from source code without any third-party modules.

php-cli and php-fpm are installed through Ubuntu’s standard apt-get command.

Then you need to modify the nginx.conf file of nginx to support php script parsing.

After checking, there are two configurations on the Internet, one is

supports 127.0.0.1:9000

location ~ \.php$ {
    root           html;
    fastcgi_pass   127.0.0.1:9000;
    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME   /usr/local/nginx/html/$fastcgi_script_name;
    include        fastcgi_params;
}

and the other is to use sock files

location ~ .php$ {
        root           /usr/share/nginx/html;
        fastcgi_pass   unix:/var/run/php-fpm/php5-fpm.sock;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }

At the beginning, I used the first 9000 port configuration method, but PHP could not parse it. After checking the php-fpm log, I found that there was a sock

[17-Sep-2019 00:23:02] NOTICE: fpm is running, pid 5617
[17-Sep-2019 00:23:02] NOTICE: ready to handle connections
[17-Sep-2019 00:23:02] NOTICE: systemd monitor interval set to 10000ms
[17-Sep-2019 00:31:28] ERROR: An another FPM instance seems to already listen on /var/run/php5-fpm.sock
[17-Sep-2019 00:31:28] ERROR: FPM initialization failed
[17-Sep-2019 00:37:34] NOTICE: configuration file /etc/php5/fpm/php-fpm.conf test is successful

Then I switched to the second sock file interaction in the nginx configuration file. mode, it was found that the page still could not be parsed.

Finally found the /etc/php5/fpm/pool.d/www.conf configuration file and changed listen to 127.0.0.1:9000

Then changed nginx back to port listening. , after restarting nginx and php-fpm, you can finally parse the php script. .

root@ubuntu:/usr/local/nginx# netstat -tln
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State      
tcp        0      0 127.0.0.1:9000          0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN     
tcp        0      0 127.0.1.1:53            0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN     
tcp6       0      0 ::1:631                 :::*                    LISTEN     
root@ubuntu:/usr/local/nginx# pgrep nginx|xargs kill -s 9
root@ubuntu:/usr/local/nginx# vim conf/nginx.conf
root@ubuntu:/usr/local/nginx# sbin/nginx 
root@ubuntu:/usr/local/nginx#

nginx.conf configuration file

 server {
        listen       80;
        server_name  localhost;
        root   html;
        index  index.php;
        location ~\.php$ {
            fastcgi_pass  127.0.0.1:9000;
            fastcgi_index index.php;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            include fastcgi_params;
        }

/etc/php5/fpm/pool.d/www.conf file modification place:

; The address on which to accept FastCGI requests.
; Valid syntaxes are:
;   'ip.add.re.ss:port'    - to listen on a TCP socket to a specific address on
;                            a specific port;
;   'port'                 - to listen on a TCP socket to all addresses on a
;                            specific port;
;   '/path/to/unix/socket' - to listen on a unix socket.
; Note: This value is mandatory.
listen = 127.0.0.1:9000

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