Linux Tutorials on the topic “security”
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OpenVPN - Secure you server administration with multiplatform VPN connection
Author: Patrik Habdak •
Tags: debian, linux, security, ubuntu •
Comments: 3 OpenVPN is a full-featured SSL VPN which implements the OSI layer 2 or 3 secure network extension by using the industry standard SSL/TLS protocol. For this tutorial, we are going to use a Debian or Ubuntu server. You can use any server you already have in production.
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How to Encrypt Directories with eCryptfs on Ubuntu 16.04
Author: Till Brehm •
Tags: security, storage, ubuntu •
Comments: 7 This tutorial shows how to use eCryptfs to encrypt a directory on Ubuntu 16.04. eCryptfs is a POSIX-compliant enterprise-class stacked cryptographic filesystem for Linux. You can use it to encrypt partitions and also directories that don't use a partition of their own, no matter the underlying filesystem, partition type, etc.
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How to configure PureFTPd and FileZilla to use TLS sessions on CentOS 7.2
Author: Till Brehm •
Tags: centos, ftp, linux, security •
Comments: 4 This article explains how to configure PureFTPd to use TLS sessions on a CentOS 7.2 server. Plain FTP is an insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure.
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How to install and configure OpenVPN on OpenSUSE Leap 42.1
Author: Muhammad Arul •
Tags: linux, opensuse, security, suse •
Comments: 3 In this tutorial, I will show you how to implement a virtual private network using OpenVPNvpn under the Linux operating system OpenSUSE Leap 42.1. VPN or Virtual Private Network is a secure private network over a public network like the internet. A VPN is a secure tunnel trough the internet which protects your data traffic and increases internet privacy and security. Access to the VPN is restricted by secure authentication methods.
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PSAD installation and configuration on Debian 8 (Jessie)
Author: Ahmad •
Tags: debian, linux, security, server •
Comments: 2 In this tutorial, I will show you the installation and configuration of the PSAD (Port Scan Attack Detection) tool on Debian 8 (Jessie). PSAD provides intrusion detection and log-analysis with IPtables (Linux firewall).
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How to configure PureFTPd to use TLS sessions on CentOS 7
Author: Till Brehm •
Tags: centos, ftp, linux, security •
Comments: 0 This article explains how to configure PureFTPd to use TLS sessions on a CentOS 7 server. Plain FTP is an insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure.
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How to integrate ClamAV into PureFTPd for virus scanning on CentOS 7
Author: Till Brehm •
Tags: centos, ftp, security •
Comments: 0 This tutorial explains how you can integrate ClamAV into PureFTPd for virus scanning on a CentOS 7 system. In the end, whenever a file gets uploaded through PureFTPd, ClamAV will check the file and delete it if it contains a virus or malware.
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Passwordless encryption of the Linux root partition on Debian 8 with an USB key
Author: Ahmad •
Tags: debian, linux, security •
Comments: 9 In this article, an encrypted partition is opened using a secret key which is kept in an usb memory device. An automatic shell script is used to provide a secret key for encrypted volume at boot time.
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How to configure sudo for two-factor authentication using pam-radius on Ubuntu and CentOS
Author: nowen •
Tags: centos, linux, security, ubuntu •
Comments: 3 Attackers frequently use lost, stolen, weak or default credentials to escalate their privileges after they have infiltrated your network. While two-factor authentication can greatly reduce infiltration, there are other means of gaining entry such as malware. This tutorial shows how to add radius to sudo for Centos 7 and Ubuntu 14.04 for two-factor authentication with the WiKID Strong Authentication server.
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How to use Port Knocking on Ubuntu to hide the SSH port
Author: Antonio Valencia •
Tags: linux, security, ubuntu •
Comments: 14 You all know these old gangster films where a guy uses a knock sequence on a door to get in? Port Knocking is exactly that, just for your server. Installing port knocking on Ubuntu is easy. I will show you in this article how to install and set up port knocking. The steps from this tutorials should work for Debian 8 as well.
