===== Login =====

On a computer with internet access, enter the web address [[https://scada.mervis.info]], where the initial login screen will appear.  
The login credentials consist of a **username** and **password**.

{{:cs:mervis-scada:47-scada.mervis.info:30-doc:scada_login.png?direct|}}

  * **1** – field for entering the **username** and **password**
  * **2** – show / hide the section for entering multi-factor authentication details
  * **3** – enable / disable saving login credentials for the next login (if saving is enabled and the login token is still valid, the user will be logged in automatically)
  * **4** – login button
  * **5** – link to switch to the mobile version of the site (see [[cs:mervis-scada:35-pwa:00-start|PWA]])
  * **6** – news page for scada.mervis.info (see [[cs:mervis-scada:47-scada.mervis.info:05-news|News]])

==== Multi-factor Authentication ====

After checking the box for multi-factor authentication, an additional section for entering authentication details will appear.  
To use multi-factor authentication, the user must have the corresponding parameters configured in the **Portal** application (see [[en:mervis-scada:30-portal:05-users#multifactor_settings|Multifactor settings]]).

Two authentication methods are available:

  * **TOTP** – login using a one-time password  
  * **SMS** – login using an SMS code

=== TOTP Multi-factor Authentication ===

{{:cs:mervis-scada:47-scada.mervis.info:30-doc:scada_login_totp.png?direct|}}

When using TOTP multi-factor authentication, it is necessary to enter the **TOTP** (one-time password) along with the **username** and **password**.

=== SMS Multi-factor Authentication ===

{{:cs:mervis-scada:47-scada.mervis.info:30-doc:scada_login_sms.png?direct|}}

When using SMS multi-factor authentication, first click the button to send the **SMS code**, and then enter this code along with the **username** and **password**.