We all know SSH is very famous and the best service for remote access.
Today I am going to tell you how to block or allow only particular users or group from SSH access.
open sshd_config file as per your environment
in Debian
Then add below line to enable access for only below users
to deny access for only below users add a line as
as in the same way
and to deny groups
But there is something very important you have to follow here. It is the order of mentioning.
From manpage of SSH
So first mention DenyUsers and then AllowUsers then only it will works and same for DenyGroups and AllowGroups
Hope it helps.
Today I am going to tell you how to block or allow only particular users or group from SSH access.
open sshd_config file as per your environment
in Debian
vim /etc/ssh/sshd_config
Then add below line to enable access for only below users
AllowUsers username1 username2
to deny access for only below users add a line as
DenyUsers username1 username2
as in the same way
AllowGroups group1 group2
and to deny groups
DenyGroups group1 group2
But there is something very important you have to follow here. It is the order of mentioning.
From manpage of SSH
The allow/deny directives are processed in the following
order: DenyUsers, AllowUsers, DenyGroups, and finally
AllowGroups.
So first mention DenyUsers and then AllowUsers then only it will works and same for DenyGroups and AllowGroups
Hope it helps.
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