Linux Tutorials on the topic “security”
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How to Install and Configure CSF (Config Server Firewall) on CentOS 7
Author: Muhammad Arul •
Tags: centos, security •
Comments: 8 Config Server Firewall / CSF is firewall application suite for Linux servers. CSF is also a Login/Intrusion Detection for applications like SSH, SMTP, IMAP, Pop3, the "su" command and many more. This tutorial will show the installation of CSF on CentOS 7 and guide you trough the first steps to use this powerful application suite.
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How to Install and Use SSHFS on CentOS 7
Author: Ahmed Qadeer •
Tags: centos, linux, security •
Comments: 5 SSHFS is a handy tool to share files securely. It is a filesystem based on the SSH File Transfer Protocol. In this tutorial we will see how to install SSHFS with from the CentOS repository with the yum command and also how to compile it from source.
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Blocking of international spam botnets with a Postfix plugin
Author: Ondrej Vasko •
Tags: debian, linux, postfix, security, server •
Comments: 17 This article contains an analysis and solution for blocking of international SPAM botnets with on postfix mail servers by using a postfwd plugin which analyses the sasl connects by country.
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OpenVAS - Vulnerability Assessment install on Kali Linux
Author: KJS •
Tags: linux, security •
Comments: 1 This tutorial documents the process of installing OpenVAS 8.0 on Kali Linux rolling. OpenVAS is open source vulnerability assessment application that automates the process of performing network security audits and vulnerability assessments.
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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.
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How to install OpenSC on IPFire Firewall
Author: Ahmad •
Tags: linux, security •
Comments: 1 In this tutorial, support for hardware tokens (such as smart cards) and their readers (CCID compliance) are integrated with the IPFire project. This article is the continuation of our previous work on IPFire firewall.
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StrongSwan based IPsec VPN using certificates and pre shared key on Ubuntu 16.04
Author: Ahmad •
Tags: linux, security, ubuntu •
Comments: 9 In this article, the strongSwan IPsec VPN will be installed on Ubuntu 16.04 (LTS), I will show the integration of OpenSC for hardware tokens and finally the creation of a gateway-to-gateway tunnel using a pre-shared key and x.509 certificates.
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How to Password-Protect Directories with mod_authn_dbd and MySQL on Apache (Debian 8)
Author: Till Brehm •
Tags: apache, debian, security, web server •
Comments: 5 This guide explains how to password-protect web directories (with users from a MySQL database) with mod_authn_dbd on Apache2 on a Debian 8 (Jessie) server. It is an alternative to the plain-text password files provided by mod_auth and allows you to use normal SQL syntax to create/modify delete users.
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Compilation and Installation of PSAD for IPFire Firewall
Author: Ahmad •
Tags: linux, security, ubuntu •
Comments: 0 This article is about compilation and installation of PSAD (Port Scan Attack Detector) for IPFire (Linux based firewall). However, a development environment for the IPFire will be setup for the compilation of new plugin (PSAD in this case).
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Chrooting Apache 2.4 with mod_unixd on Debian 8 (Jessie)
Author: Till Brehm •
Tags: apache, debian, security, web server •
Comments: 3 This guide explains how to set up mod_unixd with Apache on a Debian 8 system. With mod_unixd, you can run Apache in a secure chroot environment (similar to the older mod_chroot) and make your server less vulnerable to break-in attempts that try to exploit vulnerabilities in Apache or your installed web applications.
