This was posted originally on 2018. Updated few. Why this topic? SSH, secure shell, is a network protocol used to access remote Linux machine. You can execute commands on the remote server by connecting using SSH protocol. SSH, it’s an…
Tag: SSH
Disable SSH root login – Linux
How to disable SSH login as root user – PermitRootLogin? PermitRootLogin – is an important directive in SSH configuration file to control the ssh login as root user. You can enable / disable root login access using this directive in…
Identify all open files in a directory – lsof command
How to check all opened files in a directory – lsof command? LSOF is a smart linux command-line utility for analysing the information about the files which are opened by various processes. LSOF stands for List of Open Files. This command…
SSH connection error – Permission denied cPanel server
ssh permission denied error, that what we are discussing here. The word SSH is the abbreviation for Secured Shell. SSH is a command-line program to login to remote Linux server which has SSH server. The SSH is using for remote…
How to enable Password less authentication in SSH?
SSH, secure shell, is a network protocol used to access remote Linux machine. You can execute commands on the remote server by connecting using SSH protocol. There’re different types of authentication modes for SSH. a) Password authentication b) Key based…
SSH hardening on cPanel servers
Folks! As SysAdmins we’ll always be vigilant on our server’s security, especially for SSH. SSH brute-force attacks rate are higher now-a-days and it has become more necessary to harden the SSH service on our servers. Here I’ll help you in…
How to block/deny SSH connection to server using /etc/hosts.deny file?
Secure Shell protocol is abbreviated as SSH. It is a secure and most commonly using protocol to access remote servers. This protocol uses encryption while transferring data between two hosts. TCP Wrapper is a host-based networking ACL system, used to…