Hacking

Protect Ubuntu Servers With Fail2Ban

​Servers do not exist in isolation, and those virtual private servers with only the most basic SSH configuration can be vulnerable to brute force attacks. fail2ban provides a way to automatically protect virtual servers from malicious behavior. The program works by scanning through log files and reacting to offending actions…

How to detect r57 and c99 Shells in your server

When malicious intruders compromise a web server, there's an excellent chance a famous Russian PHP script, r57shell, will follow. The r57 and C99 shell PHP script gives the intruder a number of capabilities, including, but not limited to: downloading files, uploading files, creating backdoors, setting up a spam relay, forging…

Google Hacking Secrets:The Hidden Codes Of Google

No need for an introduction, Google is quite possibly the more powerful search engine used today, even used sometimes to check our connectivity; except that the power of the single search bar on the top of Google has become a source of concern for many, and if not they should…

8 Things That Anonymous, The Hacker 'Terrorist' Group, Has Done For Good

It's easy to think of the hacking group Anonymous as a group of punk troublemakers, raising hell online. Some have even debated whether their extra-legal protests should be labeled terrorist acts. But that would overlook some of the genuinely good deeds the group — whose members identify themselves with the Vendetta mask — has done. Whether it's retaliating…

Shodan: The scariest search engine on the Internet

"When people don't see stuff on Google, they think no one can find it. That's not true." That's according to John Matherly, creator of Shodan, the scariest search engine on the Internet. Unlike Google, which crawls the Web looking for websites, Shodan navigates the Internet's back channels. It's a kind of "dark" Google,…


Programming

The HTML5 Quick Learning Guide

HTML5 syntax is compatible with both HTML4 and XHTML1. Want to close empty elements with a slash? Go for it.…

How to Create a Password Strength Indicator With jQuery

If you are building a system that allows the users to login in, then it is always a good idea…

21 PHP Libraries You Should Know About

The aim of the Standard PHP Library-or SPL is to provide a standard library of interfaces which allows developers to…

How to Retrieve Twitter Timeline and Hashtags in PHP

How to Retrieve Twitter Timeline and Hashtags in PHP (Twitter OAuth API 1.1) So, here we offer a guide that explains…

Servers

How to install and setup Varnish in Ubuntu 16.04

One of the problems with running a site with many users is that the constant requests for dynamic content can…

Install HHVM + Nginx on Ubuntu 14.04

  The LEMHH software stack is a group of software that can be used to serve dynamic web pages and web…

Display Linux TCP / UDP Network and Socket Information with the 'ss' command

The ss command is used to show socket statistics. It can display stats for PACKET sockets, TCP sockets, UDP sockets,…

How to setup FTP server on ubuntu 14.04 with VSFTPD

FTP is used to transfer files from one host to another over TCP network. This article explains how to setup…

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