Internet

WordPress.com Hit by a DoS Attack

Mar 4, 2011 · 3 min read · CCENT Cisco cisco computers Denial-of-service attack General ICND1 Internet Matt Mullenweg networking Security security Server (computing) SYN flood technology WordPress.com ·

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Yesterday, (March 3rd 2011) there was a massive DoS attack that hit WordPress.com. Cisco Skill's uses WordPress.com has a hosting provider but is not believed to one of the sites hit. There still is no word on who or why they targeted WordPress.com but goes to show that Denial of Service is still a popular type of …

Understanding TCP

Feb 25, 2011 · 3 min read · CCENT CCNA cisco ICND1 ICND2 Internet networking Protocols router TCP technology Transmission Control Protocol Transmission Protocols tutorial ·

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This tutorial is going to be talking about the TCP protocol. Every time you connect to a website you are using the HTTP protocol, but below that you are also using a TCP protocol. The nature of TCP is to provide error recovery; there are other services or applications that use TCP. HTTP however is a common protocol …

802.11ac Standard

Feb 21, 2011 · 2 min read · 802.11ac Access Point computers General Hardware IEEE Institute of Electrical and Electronics Engineers Internet Local Area Network Mobile device networking technology Wi-Fi wireless ·

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Some things are making news in the wireless world, the IEEE wants another wireless standard in the mix called the 802.11ac, now the fastest standard they have is the 802.11n(speeds up to 300 Mbps), which was recently published in October of 2009. What is so great about the 802.11ac development? Well one thing is the …

Cisco IOS Routers: Auto Secure

Feb 17, 2011 · 5 min read · CCNA CCNA Security Cisco cisco ICND2 Internet networking router security technology tutorial Tutorials ·

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Auto Secure is good for small business or IT administrators that may know how to configure a router with networking protocols, setting up IP interfaces, and networks but really don't have an understanding of the security aspect of the router. So what Cisco has done is implemented a script called Auto Secure. Auto …

IPv4 Meet IPv6

Feb 3, 2011 · 3 min read · computers General Internet ipv4 ipv6 networking technology ·

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IPv4 maybe on its last leg with only a few blocks of IPv4 addresses available, computer estimates say that the IANA address depletion was January 27, 2011. Also the calculations for all central IPv4 pool addresses will be depleted by July 25, 2012. These are estimates and may change as of writing this post. I'll be …