Server

Linux Ubuntu server related how to, security articles, server software, firewall and security policy's.

How to setup VSFTPD

How to Setup VSFTPD for FTP accounts.
Description:
"VSFTPD is a GPL licensed FTP server for UNIX systems, including Linux. It is secure and extremely fast. It is stable. Don't take my word for it, though. Below, we will see evidence supporting all three assertions. We will also see a list of a few important sites which are happily using vsftpd. This demonstrates vsftpd is a mature and trusted solution.
Features:
[--Read More--]

How to hide Apache & PHP version header


Been quite some time now where automated attacks are scanning random servers in search of a new victim, sometimes the automated attacks build up a database first with servers that are using old versions of applications or versions where security holes are present.

One way to do this is by just reading http headers to find out what version of apache or php your server is using. We can hide this, I will show you how if you already do not know. [--Read More--]

How to install Apache 2 PHP 5 MYSQL 5


How to install Apache 2, PHP 5 & MySQL 5 in one go.

Today I will show you how to get a web server up and running in no time on Ubuntu Linux including extra packages that most professional web host companies would have enabled.

You will be hosting websites in no time! [--Read More--]

How to install RootKit Hunter


Rootkit Hunter
Description:
Rootkit scanner is scanning tool to ensure you for about 99.9%* you're clean of nasty tools. This tool scans for rootkits, backdoors and local exploits by running tests like:

- MD5 hash compare
- Look for default files used by rootkits
- Wrong file permissions for binaries
- Look for suspected strings in LKM and KLD modules
- Look for hidden files
- Optional scan within plaintext and binary files [--Read More--]

Chroot Mount Trick

Symlinks and Chroot()
How to add more directory's to a chrooted / jailed account.
So you have an ftp server running, you allow access to bob.
He has been locked down (chroot'ed) to a certain directory and not allowed system wide access to any where else.

All good.

But what if you want him to access another directory outside he's chrooted directory!?!?!
First thing on your mind is lets make a symlink to the files/directory like we do everyday. The ftp server wont read the same

A quick run down example: [--Read More--]

Please Read

Most my articles on installing Linux applications will be on my experience with Ubuntu Linux, you can still follow the articles as a reference if your using another Linux distribution. Just the install paths will be different sometimes.

Legends:

cp sample.conf mysite.conf

When you see this color, commands need to be typed in console.

Status="On"

When you see this color, this is when editing the text in configuration files. [--Read More--]

How to install eAccelerator


eAccelerator
Description:
eAccelerator is a free open-source PHP accelerator, optimizer, and dynamic content cache. It increases the performance of PHP scripts by caching them in their compiled state, so that the overhead of compiling is almost completely eliminated. It also optimizes scripts to speed up their execution. eAccelerator typically reduces server load and increases the speed of your PHP code by 1-10 times. [--Read More--]

How to install Zend Optimizer


Zend Optimizer
Description:
What is Zend Optimizer?
The Zend Optimizer is a free runtime application that enables PHP to run the files encoded by the Zend Guard. This can be freely used by anyone looking to run encoded applications. Please download and follow the installation instructions included in the distributions.
[--Read More--]

How to install ionCube PHP Loader


ionCube PHP Loader
Description:
ionCube produces leading tools for PHP source code protection to secure your PHP software from prying eyes and to combat software piracy. Featuring an advanced compiled-code encoding engine that translates source to highly efficient bytecodes, ionCube encoding tools deliver the ideal combination of maximum source code protection without sacrificing performance, reliability or language compatibility. [--Read More--]

How to install Mod Security 2


Mod Security 2
A quick description about Mod Security. [--Read More--]

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