nginx+nginx实现多站点反向代理

upstream backend {
    server localhost:80;
}

server {
    listen 80;
    listen 443 ssl http2;
    ssl_certificate /usr/local/nginx/conf/ssl/www.a.com.crt;
    ssl_certificate_key /usr/local/nginx/conf/ssl/www.a.com.key;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_timeout 10m;
    ssl_session_cache builtin:1000 shared:SSL:10m;
    ssl_buffer_size 1400;
    add_header Strict-Transport-Security max-age=15768000;
    ssl_stapling on;
    ssl_stapling_verify on;
    server_name www.a.com a.com;
    location / {
        proxy_pass https://backend;
        proxy_redirect default;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }
}

server {
    listen 80;
    listen 443 ssl http2;
    ssl_certificate /usr/local/nginx/conf/ssl/www.b.com.crt;
    ssl_certificate_key /usr/local/nginx/conf/ssl/www.b.com.key;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_timeout 10m;
    ssl_session_cache builtin:1000 shared:SSL:10m;
    ssl_buffer_size 1400;
    add_header Strict-Transport-Security max-age=15768000;
    ssl_stapling on;
    ssl_stapling_verify on;
    server_name www.b.com b.com;
    location / {
        proxy_pass https://backend;
        proxy_redirect default;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }
}

server {
    listen 80;
    listen 443 ssl http2;
    ssl_certificate /usr/local/nginx/conf/ssl/www.c.com.crt;
    ssl_certificate_key /usr/local/nginx/conf/ssl/www.c.com.key;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_timeout 10m;
    ssl_session_cache builtin:1000 shared:SSL:10m;
    ssl_buffer_size 1400;
    add_header Strict-Transport-Security max-age=15768000;
    ssl_stapling on;
    ssl_stapling_verify on;
    server_name www.c.com c.com;
    location / {
        proxy_pass https://backend;
        proxy_redirect default;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }
}

server {
    listen 80;
    listen 443 ssl http2;
    ssl_certificate /usr/local/nginx/conf/ssl/www.e.com.crt;
    ssl_certificate_key /usr/local/nginx/conf/ssl/www.e.com.key;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_timeout 10m;
    ssl_session_cache builtin:1000 shared:SSL:10m;
    ssl_buffer_size 1400;
    add_header Strict-Transport-Security max-age=15768000;
    ssl_stapling on;
    ssl_stapling_verify on;
    server_name www.e.com e.com;
    location / {
        proxy_pass https://backend;
        proxy_redirect default;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }
}
server {
    listen 80;
    listen 443 ssl http2;
    ssl_certificate /usr/local/nginx/conf/ssl/www.f.com.crt;
    ssl_certificate_key /usr/local/nginx/conf/ssl/www.f.com.key;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_timeout 10m;
    ssl_session_cache builtin:1000 shared:SSL:10m;
    ssl_buffer_size 1400;
    add_header Strict-Transport-Security max-age=15768000;
    ssl_stapling on;
    ssl_stapling_verify on;
    server_name www.f.com f.com;
    location / {
        proxy_pass https://backend;
        proxy_redirect default;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }
}

vhost/*.conf;