How to protect your hardcoded e-mail address inside html with jQuery

Bots are crawling your html not only for existance of an a href=mailto:  but also an pure e-mail itself. So wherever your snippet is generating a raw e-mail link in your code, or you put it manually - it's worth to...

ELS - Easy Linux Security - Install script

Looking for monthly updated - the best install script for many purposes which every newborn sysadmin must see? Here it is - ELS - Easy Linux Security script. ELS was created by the Server Monkeys Founder, Richard...

Check & test your server for security holes - Lynis

  You have just finished setup your server, you think it's ready to go.. but you asking a question "Have I forgot something?" "Is it secure to go online?". Here comes Lynis - security and auditing tool. Lynis...

Install Monit - be sure your services are running

  Monit is using to monitor services on Linux. It will start the service automatically if it's down for any reason. Our version 5.5-1 comes from rpmforge repository if you don't have this repo configured visit...

Logwatch - Watch the logs with ease

  Reading logfiles is a daily basis for all sysadmins. Sometimes it could be exhausting for a newbie admin to even read them - therefore Logwatch comes in handy - it gives you all important info, summarized...

Roundcubemail and Fail2Ban

  Warning! Roundcube 1.0+ This fail2ban plugin for Roundcube seems to not work with recent Roundcube version 1.0+, details below... The task is to create a jail and filter for Fail2Ban to monitor unsuccessfull...

Fail2Ban watch own log

  In this tutorial we will create a custom jail and filter to gain the possibility to ban returning bad guys. First, create the filter: $ nano /etc/fail2ban/filter.d/prison.conf and paste this: # Fail2Ban...

Fail2Ban - Daily Yesterday summary

  Today we take care of a script that sends an e-mail daily with a summary of banned hosts previous day by Fail2ban (useful along with Logwatch) Of course if you don't you should have outgoing mail service...

Secure for brute-force attempts : Fail2Ban

  Before we set our first webpage now it's time to install something to prevent Brute-force attempts on our VPS. My choose here: Fail2ban, first - because of its low requirements and scalability (it can run...

Install and configure FTP server (vsFTPd)

Before we set-up our first webpage we have to gain access to our server via FTP client. To do this we have to install FTP server first - like vsFTPd (Very Security FTP daemon). It is a lighweight FTP server built...

Hardening SSH Access (increase security)

Changing the Port number Hardening SSH access is second important thing on new VPS installation because through security holes you can soon lost neither access to your server nor data. First thing to avoid many...

Server (VPS, openvz) Firewall Script - iptables

It is crucial that you have configure the firewall for to not only avoid security holes but also any sort of brute-force attempts or DDoS attacks. On linux machines default firewall is controlled by...