Articles by Ahmad
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The creation of User, Certificate and Signing of CSR for Lemur Certificate Manager
Author: Ahmad • Tags: linux, security • Comments: 0In this article, we will perform following scripts to interact with Lemur using the terminal: Creation of Authority using CFSSL in the Lemur GUI. This CFSSL Authority will be used in our scripts to generate the certificate.
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Installation and Usage of Maltrail detection system on Ubuntu 18.04
Author: Ahmad • Tags: linux, security, ubuntu • Comments: 0Maltrail is a malicious traffic detection system which utilizes the publicly available spam list/ blacklists of malicious and suspicious trails. This tutorial shows the installation of Maltrail on Ubuntu 18.04 LTS.
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Integration of CFSSL with the Lemur Certificate Manager
Author: Ahmad • Tags: linux, security • Comments: 2This tutorial shows the integration of CFSSL with the Lemur certificate Manager. In the previous article on Lemur certificate manager, we have not used any third party root Certification Authority (CA) for the client certificates. Therefore, in this tutorial, PKI will be set up using CFSSL (Cloudflare's SSL) and integrated with the Lemur project.
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Installation of Lemur Certificate Manager on Ubuntu
Author: Ahmad •
Tags: linux, security, ubuntu •
Comments: 1 This tutorial shows the installation of the Lemur certificate management software on Ubuntu 16.04 LTS. Lemur is an open source project of NetFlix and used to generate the certificates for customers/clients.
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How to install and use SoftHSM on Ubuntu 16.04 LTS
Author: Ahmad •
Tags: security, ubuntu •
Comments: 0 SoftHSM is basically an implementation of a cryptographic store accessible through a PKCS #11 interface. The PKCS#11 interface is used to communicate or access the cryptographic devices such as HSM (Hardware Security Modules) and smart cards. The primary purpose of HSM devices is to generate cryptographic keys and sign/encrypt information without revealing the private key to the others.
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How to install and use Volatility memory forensic tool
Author: Ahmad •
Tags: linux, security, ubuntu •
Comments: 1 One of the important parts of Malware analysis is Random Access Memory (RAM) analysis. It helps to identify the running malicious processes, network activities, open connections etc in the compromised system. This article is about the open source security tool "Volatility" for volatile memory analysis. It can be used for both 32/64 bit systems RAM analysis and it supports analysis of Windows, Linux, Mac & Android systems.
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Libreswan based Ipsec VPN using preshared and RSA keys on Ubuntu
Author: Ahmad •
Tags: linux, security, ubuntu •
Comments: 2 The purpose of this tutorial is to explore LibreSwan which provides an IPsec protocol implementation. It is available in RedHat distributions, however, it can be compiled for another platform such as Ubuntu/Debian easily. In this article, the LibreSwan tool is built from source on Ubuntu, then a two peer VPN is configured using preshared & RSA keys between the gateway devices.
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How to create your own Linux Distribution with Yocto on Ubuntu
Author: Ahmad •
Tags: linux, ubuntu •
Comments: 5 In this article, our focus is the creation of a minimal Linux distribution using the Yocto project on the Ubuntu platform. The Yocto project is very famous in the embedded Linux world because of its flexibility and ease of use. The purpose of the Yocto project is to create a Linux distro for manufacturers of embedded hardware and software.
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Improve Network Performance with openDataplane and Open Fast Path on Ubuntu 16.04
Author: Ahmad •
Tags: linux, networking, server, ubuntu •
Comments: 10 The performance of Linux-based network solutions was one of the biggest issues in the past and that's why Intel started the Data Plane Development Kit (DPDK) project. The goal of the ODP environment is to provide a crossplatform framework for data plane applications. OpenFastPath (OFP) is another open source implementation of a high-performance TCP/IP stack which is helpful for network applications with a traditional Linux stack. In this tutorial, OFP will be installed on an Ubuntu 16.04 VM.
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L2TP over IPsec using OpenSwan with Freeradius authentication on Ubuntu 16.04
Author: Ahmad • Tags: linux, security, ubuntu • Comments: 3This article is about the layer 2 tunneling protocol (L2TP) with IPsec to provide end-to-end encryption in the layer 2 VPN. The open source implementations of IPsec are StrongSwan and OpenSwan, both are supported on all Linux distributions. In this tutorial, OpenSwan is used to provide the security channel for L2TP VPN.
