nginx rewrite rules

I use the lnmp script found here: https://www.ruchirablog.com/nginx-autoinstaller/

i cant get the rewrite rules to work.

does anyone have an idea why i get a 404 on all pages.
domain.com/about/ gives a 404
domain.com does not

user  www www;

worker_processes 1;

error_log  /home/wwwlogs/nginx_error.log  crit;

pid        /usr/local/nginx/logs/nginx.pid;

#Specifies the value for maximum file descriptors that can be opene$
worker_rlimit_nofile 51200;

events
        {
                use epoll;
                worker_connections 51200;
        }

http
        {
                include       mime.types;
                default_type  application/octet-stream;

                server_names_hash_bucket_size 128;
                client_header_buffer_size 32k;
                large_client_header_buffers 4 32k;
                client_max_body_size 50m;

                sendfile on;
                tcp_nopush     on;

                keepalive_timeout 60;

                tcp_nodelay on;

                fastcgi_connect_timeout 300;
                fastcgi_send_timeout 300;
                fastcgi_read_timeout 300;
                fastcgi_buffer_size 64k;
                fastcgi_buffers 4 64k;
                fastcgi_busy_buffers_size 128k;
                fastcgi_temp_file_write_size 256k;

                gzip on;
                gzip_min_length  1k;
                gzip_buffers     4 16k;
                gzip_http_version 1.0;
                gzip_comp_level 2;
                gzip_types       text/plain application/x-javascrip$
                gzip_vary on;

                #limit_zone  crawler  $binary_remote_addr  10m;

                #log format
                log_format  access  '$remote_addr - $remote_user [$$
             '$status $body_bytes_sent "$http_referer" '
             '"$http_user_agent" $http_x_forwarded_for';

server
        {
                listen       80;
                server_name web;
                index index.html index.htm index.php;
                root  /home/wwwroot;

                location ~ .*\.(php|php5)?$
{
                                try_files $uri =404;
                                fastcgi_pass  unix:/tmp/php-cgi.soc$
                                fastcgi_index index.php;
                                include fcgi.conf;
                        }

                location /status {
                        stub_status on;
                        access_log   off;
                }

                location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
                        {
                                expires      30d;
                        }

                location ~ .*\.(js|css)?$
                        {
                                expires      12h;
                        }

                access_log  /home/wwwlogs/access.log  access;

        }

}