Nginx basic domain name port IP virtual host

Based on the domain name

##nginx number of concurrent connections processes multiplied by connection
## worker_processes number of service processes, generally the same as the cpu core
worker_processes 1; 
events {
 ##Number of simultaneous services for one worker
 worker_connections 1024;
}
http {
 include mime.types;
 default_type application/octet-stream;
 sendfile on;
 keepalive_timeout 65;
 ### Add the following server block to prohibit IP access
 server {
 listen 80 default;
 server_name _;
 return 403;
}

 server {
 listen 80;
 server_name www.etiantian.org;
 location / {
 root html /www; 
 index index.html index.htm;
 }
 }
 server {
 listen 80;
 server_name bbs.etiantian.org;< br /> location / {
 root html/bbs;
 index index.html index.htm;
 }
 }
 server {
 listen 80;
 server_name blog.etiantian.org;
 location / {
 root html/blog;
 index index.html index.htm;
 }
 }
}