Security

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Spam Control For Postfix

Spam Control For Postfix

Spam is a major problem for anyone with a mail server. Many times, spam goes to email addresses that don't exist. But, it still is hitting your server even if it isn't delivered. Other times, a users inbox will be overflowing with annoying messages about Viagra, hookers, free software, and whatever else. Below is a solution. It's an ongoing accumulation of my efforts to stop spam to the best of my abilities. So far, it has a 97% success rate with over 20,000 emails (spam and ham, alike) processed.

How To Integrate ClamAV Into PureFTPd For Virus Scanning On Fedora 13

How To Integrate ClamAV Into PureFTPd For Virus Scanning On Fedora 13

This tutorial explains how you can integrate ClamAV into PureFTPd for virus scanning on a Fedora 13 system. In the end, whenever a file gets uploaded through PureFTPd, ClamAV will check the file and delete it if it is malware.

Setting Up A Mail Server Using Exim4, Clamav, Dovecot, SpamAssassin And Many More On Debian Lenny

Setting Up A Mail Server Using Exim4, Clamav, Dovecot, SpamAssassin And Many More On Debian

This howto describes one way to build a scalable, secure, full-featured mail platform. It offers virtual hosting of mailboxes in maildir format with support for quotas and server-side filtering, domain aliasing, address aliasing, address forwarding, catchall addresses. Relaying is secured with STARTTLS and SMTP-AUTH. Incoming mails are checked for viruses, spam, and checked against SPF policy and DNSBL.

iRedMail 0.7.0: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube On Ubuntu 10.04

iRedMail 0.6.1: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube On Ubuntu 10.04

iRedMail is a shell script that lets you quickly deploy a Open Source Mail Server solution in less than 2 minutes.

How To Configure The AIDE (Advanced Intrusion Detection Environment) File Integrity Scanner For Your Website

How To Configure The AIDE (Advanced Intrusion Detection Environment) File Integrity Scanner For Your Website

A file integrity scanner is something you need to have.  Imagine a hacker placing a backdoor on your web site, or changing your order form to email him a copy of everyone's credit card while leaving it appear to be functionally normally. By setting up daily reporting, this notifies you within, at most, 24 hours of when any file was changed, added, or removed.  It also helps establish an audit trail in the event your site is compromised. These instructions are designed for an end user, where you don't need to have root access, to implement and assumes your server has the aide binary installed.  Most hosts will have this installed already, or will install it for you upon request.

Chrooting Apache2 With mod_chroot On Ubuntu 10.04

Chrooting Apache2 With mod_chroot On Ubuntu 10.04

This guide explains how to set up mod_chroot with Apache2 on an Ubuntu 10.04 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.

Chrooting Apache2 With mod_chroot On CentOS 5.4

Chrooting Apache2 With mod_chroot On CentOS 5.4

This guide explains how to set up mod_chroot with Apache2 on a CentOS 5.4 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.

iRedOS-0.6.0: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube

iRedOS-0.6.0: Open Source Mail Server With Postfix, Dovecot, Amavisd, ClamAV, SpamAssassin, RoundCube

iRedMail is a shell script that lets you quickly deploy a Open Source Mail Server solution in less than 2 minutes. iRedOS is a customized CentOS 5.5 distribution, where e unnecessary packages were removed. It ships with the lastest version of iRedMail (iredmail0.6.0); it lets you install iredmail more quickly and smooth.

Installing Maia Mailguard On Debian Lenny (Virtual Users/Domains With Postfix/MySQL)

Installing Maia Mailguard On Debian Lenny (Virtual Users/Domains With Postfix/MySQL)

This guide explains how to install Maia Mailguard, a spam and virus management system, on a Debian Lenny mailserver. Maia Mailguard is a web-based interface and management system based on the popular amavisd-new email scanner and SpamAssassin. Written in Perl and PHP, Maia Mailguard gives end-users control over how their mail is processed by virus scanners and spam filters, while giving mail administrators the power to configure site-wide defaults and limits.

Chrooting Apache2 With mod_chroot On OpenSUSE 11.2

Chrooting Apache2 With mod_chroot On OpenSUSE 11.2

This guide explains how to set up mod_chroot with Apache2 on an OpenSUSE 11.2 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.

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