Linux Server Secure Login considerations

Linux Server Secure Login considerations

• Remove unnecessary users

• Remove unnecessary groups of users

• Set the responsible login password (case, number, letter, underscore, special character)

• Disable root for remote login, use normal user login server, switch the Administrator account again

• Less Su, more use of sudo for Rights Management, sudoer user Rights Assignment

• Use the key, save the public key on the server, and use the private key locally to connect to the server

• Set up SSH, such as the number of login failures to prevent brute force.

• User login history, log login time, login IP, Operation command

• Set up ip,tcp firewall, Iptables,tcp_wrapper

• Reasonable setting of file permissions, especially temporary files

• Installation of high-security software, the server was attacked in part by the vulnerability of the software to complete

• Delete system version information, welcome information

• Use tools for security detection, such as rootkits, without the front door, intrusion via website, software vulnerability

• Shielded ctrl,alt,delete Three keys simultaneously press to restart the machine

Linux Server Secure Login considerations