python – 如何在执行模式下使用SELinux运行Flask Nginx uWSGI？

我正在关注this tutorial在Nginx服务器上运行Flask.我几乎让它工作,其中当SELinux设置为Permissive时页面加载,但当SELinux处于Enforcing模式时显示 502 Bad Gateway.

以下是一些相关文件：

myproject.ini

[uwsgi]
module = wsgi

master = true
processes = 5

socket = myproject.sock
chmod-socket = 660
vacuum = true

die-on-term = true

myproject.service

[Unit]
Description=uWSGI instance to serve myproject
After=network.target

[Service]
User=thisuser
Group=Nginx
WorkingDirectory=/home/thisuser/public_html
Environment="PATH=/home/thisuser/thisuser_env/bin"
ExecStart=/home/thisuser/thisuser_env/bin/uwsgi --ini myproject.ini

[Install]
WantedBy=multi-user.target

thisuser.com.conf(Nginx配置)

server {
    listen  80;

    server_name thisuser.com www.thisuser.com;
    access_log /home/thisuser/logs/access.log;
    error_log /home/thisuser/logs/error.log;

    location / {
        include uwsgi_params;
        uwsgi_pass unix:/home/thisuser/public_html/myproject.sock;
        try_files $uri $uri/ =404;
    }

}

Flask文件目录的位置是/ home / thisuser /,它的上下文设置如下：

[root@dev ~]# ls -ldZ /home/thisuser/
drwx--x--x. thisuser thisuser unconfined_u:object_r:user_home_dir_t:s0 /home/thisuser/
[root@dev ~]# ls -ldZ /home/thisuser/public_html/
drwxrwxr-x. thisuser thisuser unconfined_u:object_r:httpd_sys_content_t:s0 /home/thisuser/public_html/

错误如下：

/var/log/audit/audit.log

type=AVC msg=audit(1498880449.864:156): avc:  denied  { write } for  pid=2667 comm="Nginx" name="myproject.sock" dev="dm-2" ino=67165858 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:httpd_sys_content_t:s0 tclass=sock_file
type=SYSCALL msg=audit(1498880449.864:156): arch=c000003e syscall=42 success=no exit=-13 a0=f a1=7f526e12e548 a2=6e a3=7ffdf52991b0 items=0 ppid=2666 pid=2667 auid=4294967295 uid=997 gid=995 euid=997 suid=997 fsuid=997 egid=995 sgid=995 fsgid=995 tty=(none) ses=4294967295 comm="Nginx" exe="/usr/sbin/Nginx" subj=system_u:system_r:httpd_t:s0 key=(null)

和

/home/thisuser/logs/error.log

2017/06/30 23:40:49 [crit] 2667#0: *1 connect() to unix:/home/thisuser/public_html/myproject.sock Failed (13: Permission denied) while connecting to upstream,client: 192.168.1.15,server: thisuser.com,request: "GET / HTTP/1.1",upstream: "uwsgi://unix:/home/thisuser/public_html/myproject.sock:",host: "thisuser.com"

试过的步骤：

>尝试将sock权限更改为chmod-socket = 666
>使用了setsebool -P httpd_can_network_connect 1
>将FROM = thisuser更改为user = Nginx
>将此用户添加到Nginx组

唯一有效的方法是将SELinux更改为Permissive.我可以进行一些更改/添加,以便SELinux继续执行吗？

编辑：在firewalld中已经允许http(s)

[root@dev ~]# firewall-cmd --permanent --zone=public --add-service=https
[root@dev ~]# firewall-cmd --permanent --zone=public --add-service=http
[root@dev ~]# firewall-cmd --reload

最佳答案

您需要在semanage上启用端口80,以便能够通过该端口发送流量.

semanage port -a -t http_port_t -p tcp 80

您可能还需要在firewalld上启用端口：

firewall-cmd --zone=public --permanent --add-port=80/tcp

python – 如何在执行模式下使用SELinux运行Flask Nginx uWSGI？

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