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How To Find Outdated Wordpress Versions On Your Server To Reduce The Risk Of Being Hacked
Today we want to tell you how to find outdated Wordpress installations on your server. This can be of high risk, especially for shared hosting servers. Being attacked on massively used open source software like Wordpress is only a matter of time, once security exploits get published.
Today I want to focus on a topic that can lead to huge problems of hacked accounts, spam mailings etc.: Outdated Joomla installations on your server.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.
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.
Install And Use SALTStack In A Mixed Environment
Salt is a new approach to infrastructure management. Easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with them in seconds. Salt delivers a dynamic communication bus for infrastructures that can be used for orchestration, remote execution, configuration management and much more... The main porpuse of this document is not just install SaltStack, because it is well documented elsewhere, but rather give you a slight insight of its usability.
Searching For Files And Folders With The find Command
In this tutorial we'll look at the find command and how you can quickly use it to locate files in your filesystem. Find is a powerful utility capable of locating files anywhere on your system including mounted drives and removable storage, processing regular expressions, and even running other commands on those files. Fortunately only a few simple options are needed to provide most users with all the capability they need.
Never Forget To Turn Dansguardian Back On After A Cyberspacejaywalk
Dansguardian is the leading free keyword blocker on Linux systems and it uses this method known as a weighed keyword score. Now, people who use or administer a web content filter know very well that there are situations when a filter accidentally blocks an acceptable site or even an unreviewed site. The simple solution is often to turn off filtering completely. Then it is of paramount importance that when this unrestricted cyberspacewalk ends, the administrator must turn Dansguardian back on!! But what if they forget?
How To Add WiKID Two-Factor Authentication To OpenVPN Community On Ubuntu 13.04
These instructions describe setting up two-factor authentication with WiKID Strong Authentication, which is a commercial/open source two-factor authentication system and OpenVPN, an SSL-encrypted VPN, on an Ubuntu 13.04 Linux server using the Radius Pluggable Authentication Module. First, we will configure PAM to use Radius, then we will configure OpenVPN to use PAM and one-time passwords, then we will create a network client on the WiKID server for OpenVPN. We won't go into specifics about installing these services, rather we will focus on configuring them to all work together.
Setting Up A Subversion Repository On Linux
Securing SSH On Ubuntu Precise With WiKID Two-Factor Authentication
SSH offers a highly secure channel for remote administration of servers. However, if you face an audit for regulatory or business requirements, such as Visa/Mastercard PCI, you need to be aware of some potential authentication related short-comings that may cause headaches in an audit. In this document we are going to demonstrate how to combine two-factor authentication from WiKID on Ubuntu. This document will also serve as the basis for additional tutorials because many services on Linux use PAM for authentication.
How To Configure Apache To Use Radius For WiKID Two-Factor Authentication On Ubuntu
This document describes how to add WiKID two-factor authentication to Apache 2.x using mod_auth_radius on Ubuntu 12.04 Precise. It is recommended that you consider using mutual https authentication for web applications that are worthy of two-factor authentication. Strong mutual authentication means that the targeted website is authenticated to the user in some cryptographically secure manner, thwarting most man-in-the-middle attacks. The use of cryptography is key. While some sites use an image in an attempt to validate a server, it should be noted that any man-in-the-middle could simply replay such an image.
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