Secure Apache You must secure your Apache installation. You can configure shell resource limits in the /etc/security/nf file on most Linux systems. These limits ensure that applications and scripts cannot use all of your server's resources and take down your server. You must change the #Protocol 2,1 line in the /etc/ssh/sshd_config file to Protocol 2 You may also wish to configure shell resource limits for your users. SSHv1 will not properly secure connections.

Ports 1024 and above are 'unprivileged' ports, and anyone can use them.

These ports are 'privileged' ports, because only the root user can bind to them.

We recommend that you use a port number less than 1024 and one that another service does not already use. Many malicious users attempt to use port 22 to access servers. To modify the port on which SSH runs, edit the /etc/ssh/sshd_config file. Secure SSH If you move SSH access to a different port, individuals without specific knowledge of your server will not know which port to use for SSH.

You can also install tools like to check the strength of passwords. If you wish to check a password's security, test it with. Never use passwords that include dictionary words or significant dates. Generally, a secure password utilizes at least eight characters, which includes alphanumeric and grammatical symbols. Edit the /etc/fs file to configure many password options on your system. If a hacker compromises an account password, they can use it to deface or infect client sites, or used them to spread viruses. Use secure passwords Insecure passwords represent the most common security vulnerability. Server security requires that the administrator make compromises, which means that any server that allows connections could contain vulnerabilities. Takes no responsibility for modifications to individual servers or the security practices of individual servers. Good luck cracking that in 32 tries.Įxercise caution when you follow these tips. cPanel, Inc. He tries to log in a bit later and receives the message again. Fix WHM/cPanel cPHulk Brute Force Protection Lock Out Via SSH.

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