To create warning banner, so whenever anyone attempts to SSH onto your server they will be greeted with a message.
1.Edit the /issue.net file
sudo nano /etc/issue.net
2. Enter your message:
------------------------------------------------------------------------------- I am such a hero, as I've got this to work XD Although Access is limited to Authorized Individuals If you are not Authorized please disconnect ASAP!! All actions are recorded and monitored! --------------------------------------------------------------------------------
3. You will need to update, the ssh daemon configuration file
sudo nano /etc/ssh/sshd_config
4. Look for this line that starts with Banner, and delete the #. The should look like this:
Banner /etc/issue.net
5. Restart the ssh daemon
sudo service ssh restart
When next login you will be prompted with the message that you just wrote 😀
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Keeran Marquis
Network Engineer
Keeran Marquis is a Network Engineer. His main goal is to learn everything within the Networking field, pick up a little bit of scripting, be a poor man sysadmin and share whatever he knows! All Posts are his own views, opinions and experiences, no guarantees they will work for you but point you in the right direction 🙂
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