Reverse proxy to the Glances Web UI

Apache configuration

RewriteEngine on
RewriteCond %{HTTP_REFERER} ^https?://[^/]+/glances
RewriteCond %{REQUEST_URI} !^/glances
RewriteCond %{THE_REQUEST} ^GET
RewriteRule ^/(.*) /glances/$1 [QSA,R]
ProxyPass /glances/ http://localhost:61208/
ProxyPassReverse /glances/ http://localhost:61208/
Redirect permanent /glances http://host/glances/

Nginx

location / {
  if ($http_referer ~ "^https?://[^/]+/glances"){
    rewrite ^/(.*) /glances/$1 redirect;
  }
}

location /glances/ {
  rewrite /glances/(.*) /$1 break;
  proxy_pass http://localhost:61208/;
  proxy_set_header Host $http_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;
}

or (thanks to @gavinws in https://github.com/nicolargo/glances/issues/876):

location /glances/ {
        rewrite /glances/(.*) /$1 break;
        proxy_pass http://localhost:61208;
        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; #doesn't do anything?
}

location / {
        if ($http_referer ~ "^https?://[^/]+/glances"){
                rewrite ^/(.*) https://$http_host/glances/$1 redirect;
        }
}