To restrict a ssh user to connecting from a single IP, add the following to the bottom of the SSHD config. (/etc/sshd/sshd_config)
AllowUsers user1 user2 user3@1.2.3.4
Then bounce the SSH daemon. Done.
To restrict a ssh user to connecting from a single IP, add the following to the bottom of the SSHD config. (/etc/sshd/sshd_config)
AllowUsers user1 user2 user3@1.2.3.4
Then bounce the SSH daemon. Done.