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Fight Image Spam With FuzzyOCR And SpamAssassin On Ubuntu 9.10
This tutorial describes how to scan emails for image spam with FuzzyOCR on an Ubuntu 9.10 server. FuzzyOCR is a plugin for SpamAssassin which is aimed at unsolicited bulk mail containing images as the main content carrier. Using different methods, it analyzes the content and properties of images to distinguish between normal mails (ham) and spam mails. FuzzyOCR tries to keep the system load low by scanning only mails that have not already been categorized as spam by SpamAssassin, thus avoiding unnecessary work.
How To Integrate ClamAV Into PureFTPd For Virus Scanning On Fedora 12
This tutorial explains how you can integrate ClamAV into PureFTPd for virus scanning on a Fedora 12 system. In the end, whenever a file gets uploaded through PureFTPd, ClamAV will check the file and delete it if it is malware.
The Perfect SpamSnake - Ubuntu Jeos 9.10
This tutorial shows how to set up an Ubuntu Jeos based server as a spamfilter in Gateway mode. In the end, you will have a SpamSnake Gateway which will relay clean emails to your MTA. You will also be able to view your incoming queue, train your SpamSnake and carry out a few more advanced operations via MailWatch.
How To Integrate ClamAV Into PureFTPd For Virus Scanning On Debian Lenny
This tutorial explains how you can integrate ClamAV into PureFTPd for virus scanning on a Debian Lenny system. In the end, whenever a file gets uploaded through PureFTPd, ClamAV will check the file and delete it if it is malware.
Chrooting Apache2 With mod_chroot On Debian Lenny
This guide explains how to set up mod_chroot with Apache2 on a Debian Lenny system. With mod_chroot, you can run Apache2 in a secure chroot environment and make your server less vulnerable to break-in attempts that try to exploit vulnerabilities in Apache2 or your installed web applications.
Chrooted Drop Bear HowTo
This tutorial is being written to help you install Drop Bear to a chroot environment. Dropbear is a relatively small SSH 2 server and client. It is an alternative lightweight program forand it is designed for environments with low memory and processor resources, such as embedded systems.
Chrooting Apache2 With mod_chroot On Fedora 12
This guide explains how to set up mod_chroot with Apache2 on a Fedora 12 system. With mod_chroot, you can run Apache2 in a secure chroot environment and make your server less vulnerable to break-in attempts that try to exploit vulnerabilities in Apache2 or your installed web applications.
Learning Spam With SpamAssassin And All Of Your ISPConfig Clients [ISPConfig 3]
This is a quick way of learning spam from all of your ISPConfig clients by running a quick and simple command. Please note that this is for ISPConfig 3, not 2.
Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Mandriva 2010.0 x86_64)
This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses. The resulting Postfix server is capable of SMTP-AUTH and TLS and quota. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords.
How To Harden PHP5 With Suhosin On CentOS 5.4
This tutorial shows how to harden PHP5 with Suhosin on a CentOS 5.4 server. From the Suhosin project page: "Suhosin is an advanced protection system for PHP installations that was designed to protect servers and users from known and unknown flaws in PHP applications and the PHP core. Suhosin comes in two independent parts, that can be used separately or in combination. The first part is a small patch against the PHP core, that implements a few low-level protections against bufferoverflows or format string vulnerabilities and the second part is a powerful PHP extension that implements all the other protections."