ssh server
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CentOS
How to install fail2ban on CentOS 6 and 7
I will show you how to install fail2ban on centos 6 and centos 7 to protect SSH brute force attacks. There are many ways to protect SSH server, the best way is to use ssh-keys authentication rather than regular password authentication. I have also written a long detailed article How to install, config and secure openssh server. In that article I have shown…
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Security
SSH login without password
We use SSH or Secure Shell to make connection between computers to execute commands. Username and password authentication is normally used to establish connection. With a good strong password, it’s secure enough to use SSH since everything is encrypted through SSH. In this article I’m going to show you how to SSH login without password by using private/public key-based authentication…
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Linux Mint
How to install, config and secure openssh server
OpenSSH provides end-to-end encrypted replacement of applications such as telnet, rlogin, and ftp. Unlike these legacy applications, OpenSSH never passes anything (including username and password) over the wire in unencrypted form, and provides host authentication, to verify that you really are talking to the system that you think you are and that no one else can take over that session. Currently…