Reverse proxy setup to access RDP Remote Apps portal, useful for SSL Certificate setup.

reverse-nginx-rds.conf

location /rpc/ {
    proxy_pass https://IPADDRESS/rpc/;
    proxy_ssl_server_name on;
    proxy_ssl_verify off;
    proxy_set_header Host $host;
    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;
    proxy_http_version 1.1;
    proxy_buffering off;
    proxy_read_timeout 3600s;
    proxy_redirect https://IPADDRESS/rdweb/ /;
    proxy_cookie_path /rdweb/ /;
}

location ^~ /rdweb/ {
    proxy_pass https://IPADDRESS/rdweb/;
    proxy_ssl_server_name on;
    proxy_ssl_verify off;
    proxy_set_header Host $host;
    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 $scheme;
    proxy_http_version 1.1;
    proxy_set_header Connection "";
    proxy_buffering off;
    proxy_read_timeout 3600s;
    proxy_redirect https://IPADDRESS/rdweb/ /;
    proxy_redirect ~^(/rdweb/)(.*)$ /$2;
    proxy_cookie_path /rdweb/ /;
}

location / {
    proxy_pass https://IPADDRESS/rdweb/;
    proxy_ssl_server_name on;
    proxy_ssl_verify off;
    proxy_set_header Host $host;
    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 $scheme;
    proxy_http_version 1.1;
    proxy_set_header Connection "";
    proxy_buffering off;
    proxy_read_timeout 3600s;
    proxy_redirect https://IPADDRESS/rdweb/ /;
    proxy_redirect ~^(/rdweb/)(.*)$ /$2;
    proxy_cookie_path /rdweb/ /;
    proxy_set_header Accept-Encoding "";
    sub_filter 'href="/rdweb/'  'href="/';
    sub_filter 'src="/rdweb/'   'src="/';
    sub_filter 'action="/rdweb/' 'action="/';
    sub_filter 'https://IPADDRESS/rdweb/' 'https://$host/';
    sub_filter 'http://IPADDRESS/rdweb/'  'https://$host/';
}

location = /favicon.ico { return 204; }