Find very useful cheat sheet of IPv6 – the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.
2017
Huge database of e-mail addresses has been leaked by the company known as one of the biggest SPAM senders. Unencrypted backup from January 2017 contains more than 1.37 bilion e-mail contacts with additional information (names, addresses, IPs etc.).
A severe security vulnerability has been discovered in the CloudFlare content delivery network that has caused big-name websites to expose private session keys and other sensitive data. Last Friday, Tavis Ormandy from Google’s Project Zero contacted Cloudflare to report a security problem with their edge servers.
Tcpdump is a common packet analyzer that runs under the command line. It allows the user to display TCP/IP and other packets being transmitted or received over a network to which the computer is attached. Distributed under the BSD license, tcpdump is free software.
Sometimes you need to find out what is average response time of your website. Such information is very useful and can lead you to optimize and tune your web-server for better performance. In the article we will introduce you possibilities how to make benchmark of your web-server for free.
Find a very useful cheat sheet of well-known Internet Protocol Security (IPsec) – a protocol suite for secure Internet Protocol (IP) communications that works by authenticating and encrypting each IP packet of a communication session.
WordPress is the most popular CMS used for million of websites worldwide. Take a look at the top WordPress plugins that are used by bloggers around the world to beef up the security of their site.
There are many notable hackers around the world. We have put together a list of the 10 most notorious hackers of all time.
Useful CLI reference card by Jens Roesen – find the most common checkpoint commands.
You’ve just issued time-consuming command in UNIX/LINUX. Suddenly you need to leave or turn off computer but command must be continued and finished in background.