Hacking

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…

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,…

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…

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