Nginx Reverse Proxy ile Domain Perdeleme

server {
listen 80;
server_name b-sitesi.com;

location / {
proxy_pass http://a-sitesi.com;
proxy_set_header Host a-sitesi.com;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
}

Apache mod_proxy ile Domain Perdeleme

<VirtualHost *:80>
ServerName b-sitesi.com

ProxyPreserveHost On
ProxyPass / http://a-sitesi.com/
ProxyPassReverse / http://a-sitesi.com/
</VirtualHost>