Category Linux Web Server Administration

The nessusWX client program has been connected successfully with the server in previous post. Let’s continue the process and start a simple scanning. Step 6: Start a new scan session Step 7: Fill in the any name for the new… Continue Reading →

The Nessus server (nessusd) and Nessus client (NessusWX) have been installed. It’s time to connect NessusWX client program with the server and perform a security scanning. Let’s do it step by step.Step 1: Open nessusWX client Step 2: Connect nessusWX… Continue Reading →

The Nessus server (nessusd) was installed already. It’s time to see how to run the security scanning of the remote linux server. Running the Nessus security scanning basically compose of the following three steps.Step 1: Create a nessusd account 1…. Continue Reading →

Nessus is a free and easy-to-use remote security scanner. A security scanner is a software which will audit a remote network and try to test whether hackers, or bad guys, may easily break into it.Nessus security scanner is made up… Continue Reading →

Nmap (“Network Mapper”) is a free open source utility for network exploration or security auditing. It was designed to rapidly scan large networks, however it also works fine against single host. Nmap uses raw IP packets in novel ways to… Continue Reading →

Chkrootkit is a powerful tool to scan the Linux server for trojans. Let’s install Chkrootkit, scan the Linux server and setup a daily automated scanning job that will email the nicely report to me.Installing CHKROOTKIT Version 0.42b (Sept. 20 2003)… Continue Reading →

The SSH root log in of Linux web server has been disabled yesterday. Let’s test if the new configuration is working or not by trying to use root account to log in.Try Using Root Log in Linux Web Server Let’s… Continue Reading →

Today, I am going to disable SSH root log in of the Linux web server. Here’s what I am going to do now: Force the use of SSH protocol 2, a newer and more secure SSH protocol. Disable root direct… Continue Reading →

Up to now, the SSH program (Putty) has been installed and the Webmin Control Panel has also been installed in my local computer. These two basic tools should be enough to remote administrate the Linux server. It’s time to consider… Continue Reading →

As we know that this is a major security issue to use root to log in Linux server directly because other staff behind you may see your password. Actually administrators should always use admin user to login the server instead… Continue Reading →

The Webmin Control Panel has been installed in the Linux server yesterday. Now let’s see how to use Webmin to remote control the Linux server. Actually you can simply use a browser (e.g. Internet Explorer, Netscape, etc.) to log in… Continue Reading →

Most people like to use Windows because it provides a user friendly Graphic User Interface (GUI). The users do not need to type commands to accomplish a lot of tasks. Unix based platforms (include linux), on the other hands, are… Continue Reading →