This article demonstrates how to install the new Tsunami vulnerability scanner on a Redhat-like machine such as Fedora or CentOS 8 and how to use it including an example script to scan multiple targets or subnets. Install Java: yum install java-*-openjdk-devel Download the Tsunami ZIP from here: https://github.com/google/tsunami-security-scanner/archive/master.zip Extract theRead more
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This article explains how to install OpenVAS on Kali Linux. The difference between this method and others is the switch from “openvas” to “gvm” for naming/marketing. As you might have seen, I’ve written several articles on installing and using OpenVAS on CentOS. Don’t do it. Don’t go through the painRead more
This article demonstrates how to crack a wireless network using the AirCrack-NG suite. Note that this will only work with WPA/WPA2 PSK wireless networks. That’s the limits of this generation of the AirCrack-NG suite. Only do this on a network that you own or are responsible for and have permissionRead more
This article is quick walk-through explaining how to install Bitwarden on Fedora 32 but should work on CentOS 7 and 8 as well as RHEL. Install the docker packages: yum install docker docker-compose systemctl enable docker systemctl restart docker Download the Bitwarden scripts: curl -Lso bitwarden.sh https://go.btwrdn.co/bw-sh chmod +x bitwarden.shRead more
This article shows how to install and run Nmap using the Vulscan add-on to do vulnerability assessments. Download Nmap: yum install nmap Install the Vulscan.nse script: /usr/share/nmap git clone https://github.com/scipag/vulscan vulscan Run a scan targeting the machine (in this example) “192.168.4.250”: nmap -sV –script vulscan/vulscan.nse 192.168.4.250 My output looks likeRead more
This article shows how to install and run Nmap using the Vulners script to do vulnerability assessments. Download Nmap: yum install nmap Install the Vulners.nse script: /usr/share/nmap wget https://svn.nmap.org/nmap/scripts/vulners.nse Run a scan targetting the machine (in this example) “192.168.4.250”: nmap -sV –script vulners.nse 192.168.4.250 My output looks like this: 22/tcpRead more
This article demonstrates how to install and configured FreeRadius for basic authentication. By “basic authentication”, I mean we’re going to configure local users in clear text. This is the simplest way to configure FreeRadius. We’re installing this on CentOS 8. Install the software: yum install freeradius freeradius-utils Add the clientRead more
This article is a short walk-through demonstrating the process of installing and configuring mod_security on Apache. In this tutorial, we’ll be using CentOS 7. We’re starting with a pre-configured and running web server running httpd listening on port 80 and 443. There’s no other services such as Varnishor Nginx running.Read more
This article is a quick note on how to improve OpenSSH server security on Redhat Enterprise Linux and CentOS 6 and 7. This is not about Passwords-v-Keys (use keys, not passwords) but rather hashes, encryption and key exchanges. The “/etc/ssh/sshd_config” file should have the following added to it to ensureRead more
This article focuses on installing and running RHEL8 (Red Hat Enterprise Linux 8) on VirtualBo. Specifically, this article demonstrates how to install additional driver support to ensure RHEL8 mouse movements and resolutions acre correct. You can see another good article at “https://developers.redhat.com/rhel8/install-rhel8-vbox/”. This article starts from a complete installation ofRead more