`/etc/issue.net` is a text file usually used to display a message **before** the login prompt is displayed. 1. Create an issue.net file and put a content you like into it. `sudo vim /etc/issue.net` 2. Modify SSH configuration - `/etc/ssh/sshd_config` by configuring `Banner` parameter. `Banner /etc/issue.net` 3. Restart SSH service > [!note] To display message **after** successful log in to the system, use `/etc/motd` instead.