diff --git a/Set-up-http-proxy-server.md b/Set-up-http-proxy-server.md
index 60d7fe9..7716813 100644
--- a/Set-up-http-proxy-server.md
+++ b/Set-up-http-proxy-server.md
@@ -113,10 +113,11 @@ One RustDesk user shared his method for creating an HTTPS proxy with Apache2. I
 >  
 > Enable the necessary modules
 >
->        a2enmod ssl
->        a2enmod proxy
->        a2enmod proxy_connect
->        a2enmod proxy_http
+>        sudo a2enmod ssl
+>        sudo a2enmod proxy
+>        sudo a2enmod proxy_connect
+>        sudo a2enmod proxy_http
+>        sudo service apache2 restart
 >  
 > Create a file with proxy-user credentials:
 >  
@@ -170,8 +171,8 @@ One RustDesk user shared his method for creating an HTTPS proxy with Apache2. I
 >  
 > As all ports of `hbbs` and `hbbr` are connected via proxy, you can disable these ports in ufw. You only need to open port `443` and `4443`:
 >
->     ufw allow 443/tcp
->     ufw allow 4443/tcp
+>     sudo ufw allow 443/tcp
+>     sudo ufw allow 4443/tcp
 >  
 > Finally configure it on rustdesk: