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Virtual Hosting With Proftpd And MySQL (Incl. Quota) On Ubuntu 14.04LTS

Virtual Hosting With Proftpd And MySQL (Incl. Quota) On Ubuntu 14.04LTS

This document describes how to install a Proftpd server that uses virtual users from a MySQL database instead of real system users. This is much more performant and allows to have thousands of ftp users on a single machine. In addition to that I will show the use of quota with this setup. This tutorial is based on Ubuntu 14.04LTS.

Running TYPO3 6.2 On Nginx (LEMP) On Debian Wheezy/Ubuntu 13.10

Running TYPO3 6.2 On Nginx (LEMP) On Debian Wheezy/Ubuntu 13.10

This tutorial shows how you can install and run a TYPO3 (version 6.2) web site on a Debian Wheezy or Ubuntu 13.10 system that has nginx installed instead of Apache (LEMP = Linux + nginx (pronounced "engine x") + MySQL + PHP). nginx is a HTTP server that uses much less resources than Apache and delivers pages a lot of faster, especially static files.

How to find out if your server is affected from Openssl Heartbleed vulnerability (CVE-2014-0160) and how to fix that

How to find out if your server is affected from Openssl Heartbleed vulnerability (CVE-2014-0160) and how to fix that

A severe vulnerability in OpenSSL has been found, the vulnerability is named Heartbleed and affects the heartbeat implementation in Openssl version 1.0.1 up to version 1.0.1f. This velnerability can be used to get the private key of a SSL connection, so it is important to update the server immediately. The bug is fixed in OpenSSL 1.0.1g. All Major Linux Distributions have release updates to the vulnerability.

Improve Spam abuse protection in dovecot by restricting access to mail accounts by IP address (e. g. with ISPConfig 3)

Improve Spam abuse protection in dovecot by restricting access to mail accounts by IP address (e. g. with ISPConfig 3)

This howto will show you how to add ip restrictions to single mail accounts when using dovecot with MySQL.

This is especially useful if you need to access a mail account from only one single ip or a few ips or if you want to block specific ip addresses from accessing the mail account (e. g. due to spam abuse).

Data Recovery From Accidentally Deleted Files or Crashed Drives in Ubuntu

Data Recovery From Accidentally Deleted Files or Crashed Drives in Ubuntu

This tutorial will help you to recover data from accidentally deleted data from Linux-file systems. This is a very drastic mistake by any user/admin which costs for huge penalties. This script will be a boon for newbies/expert for data management. I will be using TestDisk for data-recovery. Here I have simplified the task with the help of a script.

Script for converting Outlook pst to Thunderbird/Evolution compatible format on Linux

Script for converting Outlook pst to Thunderbird/Evolution compatible format on Linux

This tutorial will show how to convert Outlook PST into Thunderbird/Evolution compatible SBD format. For this  I have created a script for the conversion format.This will work in Debian/Ubuntu/CentOS too!

Using mount --bind To Move The Website And Email Directory Of a ISPConfig 3 Server To a New Directory

Use mount --bind To Move The Website And Email Directory Of a ISPConfig 3 Server To a New Directory

In the following guide, I will explain the procedure on how to move the email and website directory of a ISPConfig 3 installation to a new partition. This might become handy when your current partition runs out of space.

How to find outdated joomla versions on your server to reduce the risk of being hacked

Today I want to focus on a topic that can lead to huge problems of hacked accounts, spam mailings etc.: Outdated Joomla installations on your server.

Of course, this is valid for other software, too. The mentioned method should work in a similar way for other software. Since Joomla is widely spread throughout the internet, especially on shared hosting systems CMS (Content Management System), this howto will only cover Joomla so far.

Filtering HTTPS Traffic With Squid

Filtering HTTPS Traffic With Squid

This article will tell you how to compile, setup and configure Squid proxy capable of filtering encrypted HTTPS connections using Diladele Web Safety ICAP content filtering server. Being able to look into HTTPS contents greatly increases your ability to control what is allowed and accepted within your network while keeping inappropriate contents away.

Configuring CAS 3.5.2 On Ubuntu 12.04 For Two-Factor Authentication From WiKID

Configuring CAS 3.5.2  On Ubuntu 12.04 For Two-Factor Authentication From WiKID

Single sign-on is a great technology. Requiring users to login to multiple applications is huge hassle, encourages password reuse and simple passwords. Security needs to focus on usability. If you can make a user's life better while increasing security, everybody wins. In this how-to we will set up the open-source CAS SSO product with the WiKID Strong Authentication Server for two-factor authentication for sessions and mutual https authentication for host authentication.

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