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错误解决方案：php-error-with-zabbix-File(maintenance.inc.php) is not within the allowed path(s)
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[error] 8150#0: *13 FastCGI sent in stderr: "PHP message: PHP Warning: require_once(): open_basedir restriction in effect. File(/etc/zabbix/web/maintenance.inc.php) is not within the allowed path(s): (/home/wwwroot/default/:/tmp/:/proc/) in /home/wwwroot/default/zabbix/include/classes/core/ZBase.php on line 271
PHP message: PHP Warning: require_once(/etc/zabbix/web/maintenance.inc.php): failed to open stream: Operation not permitted in /home/wwwroot/default/zabbix/include/classes/core/ZBase.php on line 271
PHP message: PHP Fatal error: require_once(): Failed opening required '/etc/zabbix/web/maintenance.inc.php' (include_path='.:/usr/local/php/lib/php') in /home/wwwroot/default/zabbix/include/classes/core/ZBase.php on line 271" while reading response header from upstream, client: 10.2.3.12, server: _, request: "GET /zabbix/ HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "192.168.0.12"
2018/04/08 18:41:59 [info] 8150#0: *14 client closed connection while waiting for request, client: 10.2.3.12, server: 0.0.0.0:80
原因排查：
根据nginx的启动线程的权限是www:www，所以我已经修改了zabbix的目录以及/etc/zabbix/web 的目录权限，都是www，这样已经没有了权限问题。
已经重启过了fpm和nginx。
原因分析：根据两点：
1. File(/etc/zabbix/web/maintenance.inc.php) is not within the allowed path(s): (/home/wwwroot/default/:/tmp/:/proc/)
2. PHP Fatal error: require_once(): Failed opening required '/etc/zabbix/web/maintenance.inc.php' (include_path='.:/usr/local/php/lib/php')
推测：应该是某个路径的权限不对。没有权限的原因是 is not within the allowed path(s)
应该去设置某个参数，把这个路径包涵进去。这个参数名应该叫：include_path
解决方法：
寻找php的配置文件php.ini，找到参数include_path 发现没有设置。
那另一个配置在哪里呢？应该在httpd的配置里面或者nginx的配置里面。
由于我本次用了nginx而不是httpd，所以找到nginx里面的配置文件：
vi /usr/local/nginx/conf/fastcgi.conf
fastcgi_param PHP_ADMIN_VALUE "open_basedir=$document_root/:/tmp/:/proc/
加入本次的报错的路径：
fastcgi_param PHP_ADMIN_VALUE "open_basedir=$document_root/:/tmp/:/proc/:/etc/zabbix/web";
重新启动nginx和fastcgi，一切OK了。
/usr/local/nginx/sbin/nginx -s reload
/etc/init.d/php-fpm restart
如果是httpd的，可能可以参考：
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