# Auth TOTP The module implements the time-based one-time password (TOTP) algorithm and provides short-lived one-time passwords. Features: - Standard HTTP authentication using TOTP. - Tracking authenticated clients via cookies after TOTP expiration. - Configurable secret, time seed, time step, and truncation length for TOTP generation. - Configurable time window for TOTP verification. ## Installation To [install](https://en.angie.software//angie/docs/installation/index.md#install-packages) the module, use one of the following packages: - Angie: `angie-module-auth-totp` - Angie PRO: `angie-pro-module-auth-totp` ## Loading the module To use the module, load it in the `main{}` context: ```nginx load_module modules/ngx_http_auth_totp_module.so; ``` ## Configuration example ```nginx server { listen 80; location /protected { auth_totp_realm "Protected"; auth_totp_file /etc/angie/totp.conf; auth_totp_length 8; auth_totp_reuse off; auth_totp_skew 1; auth_totp_step 1m; auth_totp_cookie "totp-session"; auth_totp_expiry 1d; } } ``` ## Additional information Detailed documentation and source code are available at: [https://github.com/61131/nginx-http-auth-totp](https://github.com/61131/nginx-http-auth-totp)