How to change the ssh banner for the Linux system.
Adding customized Linux login
banner on the Linux system adds protection on the legal front & also it
acts as the warning information to the user. This banner is shown to the user
before the user logged into the system/OS. Since by default system does not
show any kind of messages to user we need to change this as per the legal
policy of the organization.
So here the way we can change it.
1. Add the following line of
directive in the file sshd config file “/etc/sshd/sshd_config”
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banner /etc/issue.net
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The above line defines the
customized pre-login banner file “/etc/issue.net”.
2. Now the next step is create the
customized banner in the “/etc/issue.net” file as per your organization policy.
As an example I have taken below one:
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[root@qts etc]# cat /etc/issue.net
################################################################
# #
# Hello , This is QTS
Property.
#
# Please log Off
Immediately!!!!!!
#
# If you are not a valid
user #
# #
# #
###############################################################
[root@qts etc]#
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