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Setting Up Proftpd With A Postgresql Backend For Auth And Logging

Setting Up Proftpd With A Postgresql Backend For Auth And Logging

This tutorial will get you up and running proftpd pretty fast, and having it utilize a database, if that database has triggers, the possibilities of this configuration are almost endless.

Creating A Safe Directory With PAM And EncFS

Creating A Safe Directory With PAM And EncFS

This HowTo is about creating a user-session-safe directory which offers security on- and offline. This is done with PAM, a module named pam_script and EncFS ("Encrypted Filesystem"). This safe directory is used to store credentials and other sensitive information during a session. When a usersession is ended, in the worst case an encrypted directory remains on the harddrive. In the best case everything is removed. This construction is only meant to store information during a session, not for documents or any other valid information.

The Perfect Setup - Ubuntu 6.06 LTS Server (Dapper Drake)

The Perfect Setup - Ubuntu 6.06 LTS Server (Dapper Drake)

This is a detailed description about how to set up a Ubuntu 6.06 LTS (Dapper Drake) based server that offers all services needed by ISPs and hosters (web server (SSL-capable), mail server (with SMTP-AUTH and TLS!), DNS server, FTP server, MySQL server, POP3/IMAP, Quota, Firewall, etc.).

In the end you should have a system that works reliably, and if you like you can install the free webhosting control panel ISPConfig (i.e., ISPConfig runs on it out of the box).

Manage Apache Download Speed And Traffic Limits With mod_cband

Manage Apache Download Speed And Traffic Limits With mod_cband

In this tutorial I will describe how to install and configure mod_cband on an Apache2 web server. mod_cband is an Apache 2 module which provides bandwidth quota and throttling. It solves the problem of limiting users' and virtualhosts' bandwidth usage. The current version can set virtualhosts' and users' bandwidth quotas, maximal download speed, requests-per-second speed and the maximal number of simultanous IP connections.

How To Automate Spamcop Submissions

How To Automate Spamcop Submissions

Spamcop is a service which provides RBLs for mailservers in order to reject incoming mail from spammers.

Their philosophy is to process possible spam complaints from users. When they receive a certain amount of complaints during a time-period then they will blacklist the offender. This system is dependant on spam reporting from users. However, their submission process is not very user-friendly [...]

The Perfect Setup - SuSE 10.1 (32-bit)

The Perfect Setup - SuSE 10.1 (32-bit)

This is a detailed description about how to set up a SuSE 10.1 based server that offers all services needed by ISPs and hosters (web server (SSL-capable), mail server (with SMTP-AUTH and TLS!), DNS server, FTP server, MySQL server, POP3/IMAP, Quota, Firewall, etc.).

In the end you should have a system that works reliably, and if you like you can install the free webhosting control panel ISPConfig (i.e., ISPConfig runs on it out of the box).

How To Save Traffic With Apache2's mod_deflate

How To Save Traffic With Apache2's mod_deflate

In this tutorial I will describe how to install and configure mod_deflate on an Apache2 web server. mod_deflate allows Apache2 to compress files and deliver them to clients (e.g. browsers) that can handle compressed content which most modern browsers do. With mod_deflate, you can compress HTML, text or XML files to approx. 20 - 30% of their original sizes, thus saving you server traffic and making your modem users happier.

How to scan your Linux-Distro for Root Kits

How to scan your Linux-Distro for Root Kits

Do you suspect that you have a compromised system ?

Check now for root kits that the intruder may have installed !!!

So... What in the hell is a root kit ???
A root kit is a collection of programs that intruders often install after they have compromised the root account of a system.
These programs will help the intruders clean up their tracks, as well as provide access back into the system.
Root kits will sometimes leave processes running so that the intruder can come back easily and without the system administrator's knowledge !

Debian Sarge (3.1) with Ruby on Rails and Apache 2 with FastCGI

Debian Sarge (3.1) with Ruby on Rails and Apache 2 with FastCGI

This HowTo will step you through installing Debian (Sarge) with Ruby on Rails and Apache 2 with FastCGI managed with ISPConfig.

This HowTo is based mainly on The Perfect Setup -- Debian Sarge (3.1) by Falko -- consult that HowTo for basic Debian Network Install Setup.

How To Test Your Linux-Distro Firewall

How To Test Your Linux-Distro Firewall

Recently, I wrote an article about how to scan your Linux-Distro for Root Kits.

Now that the machine is clean. I think, a good thing to do is to test my Firewall.
The good news is that we can use the free tool FTester.
The bad news is that FTester needs to be configured right...
So... Let's get to work !
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