As we all know, root SSH login is enabled by default in GNU/Linux. We can easily access our remote servers and manage them if they have any issues via SSH. But it is not advisable to allow directly login as root user via SSH, because anyone can brute force root password and will try to […]
Fail2ban is an open-source intrusion prevention system that can be used to prevent brute force attacks and other suspicious malicious attacks. It scans log files (e.g. /var/log/apache/error_log) and bans IP’s that show the malicious signs such as too many password failures, seeking for exploits etc. Generally Fail2Ban then used to update firewall rules to reject […]
Backing up files is very important because it protects you from hardware breaks, natural disasters or other errors. In this tutorial i will teach you how to use your ssh server to backup your files. This wonderful tool, called Deja Dup can backup
Introduction What is SSH? Why use SSH? SSH is a network protocol similar to telnet or FTP, yet slightly different because it offers secure data communication. Security is very important nowadays because I can say that privacy does not exist anymore. Do you want to protect your data or your customers from prying eyes? Then […]
What is sslh? sslh accepts connections in HTTP, HTTPS, SSH, OpenVPN, tinc, XMPP, or any other protocol that can be tested using a regular expression, on the same port. This makes it possible to connect to any of these servers on port 443 while still serving HTTPS on that port. What it does for you? […]
ClusterSSH is a Cluster administration tool via SSH. It is used to control number of xterm windows via a single graphical console window to allow commands to be interactively run on multiple servers over an SSH connection. If you’re are a Linux administrator managing hundreds of machines, you may have chances to enter same command on many […]
Last week, I posted a “How To” on how to share files using an FTP server. Unfortunately, FTP is not what is considered secure, for over the internet file transfers. And especially when you’re transferring sensitive data. Thankfully, there is another secure option. In today’s How To, I’ll show you how to share your files […]
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