Effective Solutions for 500 error (Premature End of Script Headers)
There may a number of reasons and solutions for it. We listed a few here for your conveniences. File/Directory Permission error: directory is writable by others: (/home/user/public_html/) This could be easily fixed by just changing the permissions of the file/directory in question. You can change the permissions by using the File Manager within cPanel, or [...]
Installing Suhosin by Patching PHP Source
Preparation When you want to install PHP with the Suhosin-Patch you have to first perform some preparation steps. Step 1: Installing the Hardened-PHP Project Signaturekey You should first grab a copy of the Hardened-PHP Project’s Release Signaturekey and import it into your GNU Privacy Guard keychain. (For further information on the usage of gnupg please [...]
Installing Suhosin as PHP Extension in Linux
Unlike the Hardening-Patch for PHP, nearly all of Suhosin´s features are within the extension. Therefore you might want to only install the extension and use a plain unpatched PHP. Depending on the system we might already offer binary packages. You can check our Suhosin Downloads page. In that case you only need to activate the [...]
Secure your Linux Servers
Securing a linux server is a continuous job as new types of exploits are discovered almost everday. Here, we tried to collect a number of quick guides that will help you securing your linux box.However, this guide covers only basic linux server security tips intended for linux learners. I am writing this guide assuming that [...]
Installing and configuring monit to monitor your server(s)
Monit is a utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations. Pre Install Step: yum install openssl* Step 1: Installing monit from Source cd /usr/local/src wget http://mmonit.com/monit/dist/monit-5.0.3.tar.gz tar -zxvf monit-5.0.3.tar.gz cd monit-5.0.3 ./configure –sysconfdir=/etc/monit/ [...]
Hardening/Securing SSHD (Secure SHell Daemon)
A quick guide on how to secure your sshd. Hope it helps. Step 1: First of all we need to make a regular user, since we are disabling direct root login: adduser admin && passwd admin Step 2: Backup your current sshd_config mv /etc/ssh/sshd_config /etc/ssh/sshd_config.bak Step 3: Create a new sshd_config file
DNS Records Types
The list below covers all of the supported types, and explains what they are used for. * Address (A) An Address records associates an IP address with a hostname. Any system that you want to be able to connect to via HTTP, telnet or some other protocol using its hostname must have an address record [...]
Adding/Editing Zone Records using Webmin
Adding and editing records The most useful feature of the BIND DNS Server module is the ability to add, edit and delete records in the master zones hosted by your server. For example, if you wanted to set up a webserver in your domain example.com, you would need to add an Address record for www.example.com [...]
Creating/editing a master zone using Webmin
A master zone is one for which your DNS server is the authoritative source of information. A single zone may be hosted by multiple servers, but only one is the master – all the rest are slaves. If you want to add a new master zone to your server’s configuration, the steps to follow are [...]
The BIND DNS Server module
BIND (Berkeley Internet Name Domain) is the most common DNS server for Unix systems. Several versions have been released over the years, the most recent being version 9. The BIND DNS Server module (found under the Servers category) supports the configuration of versions 8 and 9. The older version 4 has a different configuration file [...]
