How to add SSH login banner

FREQUENTLY ASKED QUESTIONS
Q: How to add login banner for SSH server (warning banner) ?


Step1: Create a new banner file under /etc/ssh/ and add your Warning message.

[root@server ~#]vi /etc/ssh/banner           (sample of a warning message below)

*****************WARNING!!!************************

The use of this machine is restricted to authorized users only. All the activities on this SSH Server is logged.

#Now save the new banner file

Step2: Now specify the created banner file to "sshd_config" file

[root@server ~#]vi /etc/ssh/sshd_config

# In the 128th line,  enable the line by removing "#" , and specify the newly created banner file.

Banner /etc/ssh/banner
#( now save the "sshd_config" file)


Step3: Restart the SSH daemon
[root@server ~#]service sshd restart

SSH login banner example

LABELS: CentOS, extra-tips, FAQ, Fedora, How-To, linux, Redhat, Secure shell